Sahil Bloom Profile picture
Mar 17, 2021 15 tweets 4 min read Read on X
Hanlon's Razor is a simple mental model for cutting through negative noise and unlocking growth in your career, startup, business, or relationships.

A short thread on what it is and how it can change your life... Image
A philosophical "razor" is a principle or rule of thumb used to simplify a decision.

The "razor" quite literally cuts through the unnecessary detail, noise, and information that slows our decision-making processes.

Razors can promote quick, rational, high-quality decisions.
Occam's Razor is the most well-known of the philosophical razors.

It says that when you are weighing alternative hypotheses, the one with the fewest necessary assumptions should be chosen.

In short: simple is beautiful.

I wrote on Occam's Razor below.
Hanlon's Razor is simple.

"Never attribute to malice that which can be adequately explained by stupidity."

In assessing someone's actions, we should not assume negative intent if there is a viable alternative explanation, such as different beliefs, incompetence, or ignorance.
By broadening the original definition - from "malice" to "negative intent" and from "stupidity" to "viable alternative explanation" - we make the mental model more useful.

It becomes helpful for driving rational, quick decision-making and judgment in a range of scenarios.
Hanlon's Razor is named after Robert Hanlon, a little-known figure who submitted it to a joke book about Murphy's Law published in 1980.

While named after Hanlon, its spirit has been around for centuries, with Napoleon, among others, believed to have made similar statements. Image
Hanlon's Razor can be a very powerful heuristic (i.e. mental shortcut) to add to your mental model toolkit.

Let's look at a few examples of where it might be useful...
In Politics.

We often assume the worst about politicians (and their supporters) who are on the other side of issues we care about.

Confirmation bias (the tendency to exclusively see evidence that is confirmatory of our standing beliefs) feeds into this feedback loop. Image
By leveraging Hanlon's Razor, we might be able to break this cycle.

Do not assume negative intent if there is a viable alternative explanation.

In politics, there are many viable alternatives beyond negative intent.

Realizing this may open us up to more productive discourse.
In Relationships.

Hanlon's Razor cuts through a perception that others are "out to get you" in life.

With your partner, family, or friends - or with new strangers - never assume negative intent if a viable alternative exists.

You'll find happier, more fulfilling relationships.
Hanlon's Razor has one important caveat.

While it says that we must not ASSUME negative intent when there is a viable alternative explanation, this does not imply that actions NEVER HAVE negative intent.

There are bad actors out there who genuinely do have negative intent.
Hanlon's Razor simply suggests that these people are few and far between.

It is the glass half full.

It says that humans are inherently well intentioned, so to make decisions and judgments accordingly.

It is a powerful heuristic for viewing the world in a more positive light.
For more on Hanlon's Razor, I recommend checking out the below article from my friend @ShaneAParrish and @farnamstreet. fs.blog/2017/04/mental….
If you enjoyed this, follow me for more threads on mental models, razors, business, finance, and economics.

You can find all of my threads in the meta-thread below.
And if you are less Twitter inclined, sign up for my newsletter here, where you can find all of my old threads and receive all of my new threads directly to your inbox. sahilbloom.substack.com

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More from @SahilBloom

Apr 14
Advice from a mentor that changed my life:

There’s no such thing as a perfect moment. There are just moments—and you decide what you make of them.
Waiting for the “perfect moment” is just a convenient, socially-acceptable excuse to hide from the thing that scares you.

Trust me, I’ve lived it.
A good sign that you're on the right path:

A lot of moments will seem perfect in hindsight, when they felt terrifying at the time.

Imperfect moments made perfect through action.
Read 4 tweets
Mar 3
My entire life changed because of a leap of faith.

There are a lot of people out there who feel stuck, but trust me, you don't have to stay that way.

If you want to take a leap, here's exactly how I'd do it:

The change you want to make in life scary because of two asymmetries:

1. Information Asymmetry: You know exactly what this path looks like, but very little about what the other path looks like.

2. Evidence Asymmetry: You have abundant evidence that you can make it on this path, but very little evidence that you can make it on the other path.

To break through the fear and take the leap:

Step 1: Gather Information

The first step is to solve the information asymmetry.

The questions you should be asking (and answering):

What does the new path look like? Visualize it in detail.

How reversible is a decision to take this new path?

Note: Most people underestimate the reversibility of a big decision. You assume that if you leave your consulting firm, you'll never be able to get another job in consulting. That is usually patently false. Most of these career decisions are reversible.

What case studies exist on successful (or unsuccessful) execution?

What perspectives can you learn from people with real, earned experience on the new path?

Are there any examples of people who have made a similar shift to what you are considering? What can you learn from them?

If you use a thoughtful process to gather information, you'll balance the information asymmetry and shorten the gap considerably.

Step 2: Create Evidence

The second step is to solve the evidence asymmetry.

While still on your current path, you need to create tangible proof that you can build a life on the other side.

What proof points can you generate of your ability to execute?

• Find one customer for your prospective new venture.
• Make $100 selling something on the internet.
• Generate a few client leads to your new coaching practice.

The tiny wins build momentum and help solve the evidence asymmetry.

Step 3: Confront the Fear

Gathering information and creating evidence should get you most of the way there.

But the fear still exists.

Here's how to address it:

1. Reframe the fear as a good thing: It means you care, it means this is something that matters.

2. Deconstruct the downside of action: What is the worst that could happen? How bad is it, really?

3. Deconstruct the upside of action: What is the best that could happen? How great is it?

4. Deconstruct the regret: How much would you regret inaction when you're 90-years-old? Could you live with that regret?

As Seneca famously wrote, "We suffer more in imagination than in reality."

These steps get the fear out of your imagination and force it into reality.

Your Player's Guide to the Leap of Faith

There's never going to be a perfect moment to make a dramatic change.

The leap of faith isn't for everyone, but if you follow this general process, you'll be well-positioned if you decide to jump.

1. Gather information
2. Create evidence
3. Confront the fear

I hope this helps a few people out there take that leap they've been too afraid to face.

A new life is on the other side...
The most important piece here:

Recognizing the fear as a byproduct of the information/evidence asymmetry.

It turns something abstract into a solvable problem.
I love this quote from Inception:

"Do you want to take a leap of faith or become an old man, filled with regret, waiting to die alone?"
Read 5 tweets
Feb 27
4 principles I use to structure my workday:

1. Match energy to output
2. Move
3. Leverage Parkinson's Law
4. Presence is everything

Come along behind the scenes as I walk through my typical workday to see how I manage my time.

I'll break down the 4 core principles I use to structure my day, which you can steal and adapt to level up your life.

Full video here:
The Bloom Boys triumphantly posing with the snowman we made in this video. Image
The idea of matching energy to output started when I mapped my energy for a week and saw that I only felt creative first thing in the morning.

I used to work out first thing, but realized I was wasting that creative energy.

Now I start with a creative block, then hit a workout.
Read 4 tweets
Feb 18
The details of my morning routine...

5 science-backed principles to win every single day:

In this video, you'll come along with me as I walk you through every detail of my morning routine, explaining exactly what I do and why I do it.

I break down the 5 core principles you can implement to create the perfect morning routine that works for you:

1. 15 minutes of prep the night before
2. Wake up at the same time
3. Give yourself a jolt of energy
4. Focused sprint on priority tasks
5. Move your body

Watch the full video here:
I cover it in the video, but if you struggle with energy in the morning, try my 5-5-5-30 method when you get out of bed:

• 5 push-ups
• 5 squats
• 5 lunges per leg
• 30-second plank

It’ll give you a natural energy boost.

It just plain works.
If there’s one principle for you to take from this video:

Your weeks will get much easier once you realize that 15 minutes of prep in the evening is worth 2 hours of time in the morning.
Read 9 tweets
Feb 7
In 2023, I ran 2:57:31 in my first marathon 6 months after I started running.

In 2024, I'm training to run a sub-2:50 marathon while building strength and muscle mass.

Here's the exact training plan I'm using:

Note: Long post, so bookmark it for future reference.

I’ll split this post into four main areas:

1. Running
2. Lifting
3. Nutrition
4. Recovery

Let’s walk through each area…

1. Running

My basic weekly structure involves 6 runs:

- 3 easy runs
- 1 track speed workout
- 1 tempo run
- 1 long run

Easy runs range from 3-10 miles and are all done to maintain Zone 2 HR (under 150 for me, ideally in 125-145 range). These build the base engine and avoid injury from overuse because they are low intensity and easier on the body. Keeping the easy runs easy is key.

Track speed workouts generally involve a 1-2 mile warmup jog followed by 4-8 miles of track work (starting on the low end of that and building up over time). This is usually a combination of 800s (two laps around a standard track) or 400s (one lap), though occasionally includes 1200s or 1600s as well. Rest periods between the work sets are typically 1-3 minutes.

A standard track workout I do is 8 x 800m with a 400m slow jog to recover between rounds. Another standard track workout is 10 x 400m with a 1 minute slow jog between each round.

Tempo runs are harder middle distance (6 to 12 mile) road runs done at or near anaerobic threshold HR (peak HR before it burns too much to battle through). Usually a 1-2 mile warm up and then the rest of the miles at hard effort (at or better than goal marathon pace). These build the top end effort and are generally representative of the HR exertion level on race day.

Long runs range from 10-22 miles and generally incorporate easy miles (low HR, low intensity) and tempo miles (high HR, high intensity). As I build closer to the marathon, these long runs will be 18-22 miles with at least half of the miles done at or faster than my goal marathon race pace. For now, they are ~10-14 miles as I focus on base building.

So a standard week early in my training cycle right now looks like this:

- Monday: 4 mile easy run
- Tuesday: 6 mile track speed workout
- Wednesday: 4 mile easy run
- Thursday: 4 mile easy run
- Friday: 6 mile tempo run
- Saturday: Off
- Sunday: 14 mile long run

By the peak of my training, the weeks will build to something like this:

- Monday: 8 mile easy run
- Tuesday: 10 mile track speed workout
- Wednesday: 8 mile easy run
- Thursday: 8 mile easy run
- Friday: 12 mile tempo run
- Saturday: Off
- Sunday: 22 mile long run

My rough idea is to increase overall mileage load by about 5-10% each week, assuming I feel good and healthy (more on that in the recovery section).

If I were training for a shorter race (like a half marathon or 10k), I'd probably replace the long run with a shorter tempo interval run (example: 3 rounds of 1 mile easy, 2 miles hard).

2. Lifting

My biggest challenge last marathon prep was losing weight and muscle mass from all the mileage. I’m 6’2” 185 pounds and this time around, I want to make sure I stay at that weight (and look great).

In other words, I want to be a great runner, but never look like a great runner.

My current weekly lifting plan is aligned with this desire:

- Push/Pull/Legs split
- 4-6 lifting sessions per week

I like the Push/Pull/Legs split because it allows me to hit up to 6 lifts in a week if I feel fresh and well recovered, or scale that back to just the 3 lifts at higher intensity if I'm drained from the increasing running mileage.

The sessions all follow the same general format:

- Compound movement - 4 sets x 3-8 reps
- Secondary superset - 3 x 8-12
- Accessory work superset 1 - 3 x 10
- Accessory work superset 2 - 3 x 12-15
- Core work

Push compound movements are either bench press or military press. Pull compound movements are a deadlift variation or row variation. Legs compound movements are a squat variation.

Push secondary movements include dumbbell bench press, dumbbell shoulder press, and dips. Pull secondary movements include pull-ups, seated cable rows, and dumbbell rows. Legs secondary movements include lunges, Romanian deadlifts, glute bridges, and split squats.

Push accessory movements include flys, tricep extensions, and shoulder raises. Pull accessory movements include face pulls, straight arm pulldowns, and bicep curls. Legs accessory movements include hamstring curls, leg extensions, leg presses, step ups, and calf raises.

Core work includes hanging leg raises, reverse crunches, stability ball rollouts, side planks, ab wheel rollouts, and more.

Programming Note: "Superset" just means two movements done back-to-back before resting.

Here’s an example push day:

- A. Barbell Bench Press 4 sets x 5 reps
- B1. Dumbell Incline Bench Press 3 x 8
- B2. Dips 3 x 10
- C1. Cable Flys 3 x 12
- C2. Rope Tricep Extensions 3 x 12
- D1. Lateral Raises 3 x 12
- D2. DB Skull Crushers 3 x 12
- Core Work 3 x 15

Here’s an example pull day:

- A. Barbell Deadlift 4 sets x 5 reps
- B1. Dumbell Row 3 x 8
- B2. Pull-ups 3 x 10
- C1. Cable Face Pull 3 x 12
- C2. Rope Hammer Curl 3 x 12
- D1. Rear Delt Raises 3 x 12
- D2. Seated Bicep Curls 3 x 12
- Core Work 3 x 15

Here’s an example leg day:

- A. Front Squat 4 sets x 5 reps
- B1. Reverse Lunge 3 x 8
- B2. Goblet Squat 3 x 10
- C1. Leg Press 3 x 12
- C2. Calf Raises 3 x 12
- D1. Leg Extensions 3 x 12
- D2. Hamstring Curls 3 x 12
- Core Work 3 x 15

These lifts usually take about ~45 minutes if I'm focused and stay on task.

A typical week of lifting and running looks like this:

- Monday: Easy Run + Legs
- Tuesday: Track Workout + Push
- Wednesday: Easy Run + Pull
- Thursday: Easy Run + Off
- Friday: Tempo Run + Legs
- Saturday: Off + Push
- Sunday: Long Run + Off

Note: I always do my run before lifting on days where I have to do both. My logic is that my primary goal is a running time goal, so doing that first, while fresh and focused, is essential. This is sometimes a grind, but I always get the work in, even if I have to reduce the intensity level.

Depending on schedule, I vary the times when I do these workouts based on their length and my other work and family commitments. I generally try to do them in the mid-late morning.

You can scale up or down this plan to meet your time availability, but full marathon training while maintaining strength and muscle mass is probably not for those who are ultra-strapped for time.

3. Nutrition

My daily macronutrient targets that I use as a guide:

- Protein: 215g (~1.2g per lb of bodyweight)
- Carbs: 200g
- Fats: 125g
- Total Calories: 2,785

I do a bit of "carb cycling" by notching up the carbs on hard training days through adding more around the workout window.

Since I'm focused on muscle mass as the running miles (and caloric burn) increase during training, I'll be scaling up these macros in the coming months.

By the peak of my training, my guess is it will look more like this:

- Protein: 215g
- Carbs: 350g
- Fats: 125g
- Total Calories: 3,385

As long as I hit my protein goal, I'm not concerned with perfection here, just general direction. I try to hit within ~10% of the daily macro targets established.

The important thing is to figure out your current baseline and build from there. Track your macros for a few days and see where they end up. If your weight has been constant, you’re eating to a good baseline at your current training level. If you are losing or gaining weight, you’re eating to a deficit or surplus at your current training level. If you’re going to be training hard, getting 1-1.2g of protein per pound of bodyweight is a good baseline. You can fill in carbs and fats behind that based on personal preferences and goals related to bodyweight.

Typical protein sources include eggs, egg whites, beef, chicken, turkey, fish, shrimp, greek yogurt, cottage cheese, whole milk, and whey.

Typical carb sources include quick oats, jasmine rice, sourdough bread, sweet potatoes, red potatoes, raw honey, fruit.

Typical fat sources include olive oil, avocado, grass fed butter, nuts.

As for supplements, I generally keep it pretty simple:

- Fish oil
- Vitamin D
- Creatine (5g daily)
- AG1 + LMNT
- Whey protein
- Magnesium for sleep

4. Recovery

Given the training volume, I need a very deliberate focus on recovery to prevent injury and keep my body feeling strong.

The pillars of my recovery routine:

- Daily recovery work
- Daily mobility work
- Morning cold plunge (3-6 minutes)
- Evening sauna (20 minutes)

Daily recovery work includes foam rolling on the legs and back, lacrosse ball rolling on the feet, and massage gun on any tight areas. This is about ~5-10 minutes.

Daily mobility work is a ~5-10 minute mobility circuit I do before my training that serves a hybrid purpose as a warm-up. It usually includes about ~5-7 movements that I would go through 2-3 times. Movements include squat-to-stands, dead-bugs, spidermans, bowler squats, couch stretch, yoga pushups, 90/90 hip stretch, reverse lunge with reach, and more. If you search “Best Mobility Exercises for Runners” you’ll find a bunch of good options and routines with explanations. Doing this work daily is essential for avoiding injury.

Morning cold plunge is 3-6 minutes in 39 degrees right when I woke up. Evening sauna is 20 minutes in 180-200 degrees right before bed. Obviously, most people won’t have access to this stuff, but you can do the morning cold in the shower if you don’t have a cold plunge and a hot shower before bed if you don’t have a sauna.

Closing Thoughts

This is the training plan I'm following to hit my sub-2:50 marathon goal while building muscle and size.

The plan isn’t for everyone (probably not even for most people), and you should definitely consult with experts (doctors, trainers, nutritionists) before making any dramatic changes to your routine.

That said, the basic building blocks of the above can definitely be adapted to your life and routines regardless of your goals.

As I see it, the basic building blocks are as follows:

1. Running: Half of your runs should be low intensity/easy. The other half should be a combination of speed, tempo, and longer duration.

2. Lifting: Split across push, pull, and leg days. Start every workout with a simple compound movement for strength. Follow it with a secondary movement and a superset of accessory movements. Finish with core.

3. Nutrition: If training hard, aim for 1-1.2g of protein per pound of bodyweight. Fill in carbs and fats based on what suits your goals and body.

4. Recovery: Aim for 10-15 minutes of daily recovery work (foam rolling, lacrosse ball foot rolling, mobility work).

If you build your own plan based on those principles, you’ll make progress and feel great.

Ok, that took a long time to pull together. Basically an entire training e-book for free. I hope it helps. If you're into this stuff, share it with others and follow me @SahilBloom for more in future.Image
A lot of people asking about a scaled down version of this program that is doable in 60 minutes per day.

I’ll add to this thread with that version soon…
Ok, here's what I think the ~60 minute per day version of this program looks like:

Note: Another long post, bookmark this if you want to use it...

Training Week:

• Monday: 4-6 Mile Easy Run
• Tuesday: Full Body Lift
• Wednesday: 4-6 Mile Speed Workout
• Thursday: Full Body Lift
• Friday: 4-6 Mile Easy Run
• Saturday: Full Body Lift
• Sunday: 6-10 Mile Long Run

Weekly totals would be:

• 18-28 miles (including speed and long run)
• 3 60-minute full body strength sessions

For the lifts, I'd probably do something like this:

Day 1:

• A) Squat Variation 3 x 5-8
• B1) DB Bench Press 3 x 8-12
• B2) DB Row 3 x 8-12
• C1) DB Reverse Lunge 3 x 8-12
• C2) Pull-ups 3 x 4-6
• C3) Push-ups 3 x 8-12
• D) Core Work

Day 2:

• A) Incline Bench Press 3 x 5-8
• B1) Goblet Squat 3 x 8-12
• B2) Goblet Forward Lunge 3 x 8-12
• C1) DB Overhead Press 3 x 8-12
• C2) Pull-ups 3 x 4-6
• C3) Push-ups 3 x 8-12
• D) Core Work

Day 3:

• A) Deadlift Variation 3 x 5-8
• B1) DB Incline Bench Press 3 x 8-12
• B2) Cable Row 3 x 8-12
• C1) DB Step Ups 3 x 8-12
• C2) Pull-ups 3 x 4-6
• C3) Push-ups 3 x 8-12
• D) Core Work

For the runs, you'd follow the same format as what was prescribed in the original post.

Track days would be a combination of 800m and 400m at aggressive pace with 1-3 minute cooldowns in between. Easy runs would be easy (~125-145 HR). Long runs would be mostly easy pace with a few hard miles built in.

If you follow that program, you'd be hitting sufficient running and strength training volume to make great progress, in about 60 minutes per day.

Your nutrition and recovery would be very important, given this is probably more volume than you're used to, with no days completely off (though an easy run only day should feel easy enough that it's a recovery day). Make sure you're consuming enough protein and sleeping 7-8 hours per night, plus rolling out and handling soft tissue vulnerabilities as they pop up.

I hope this helps.

Another full e-book for free here on X...

Note: I don't think it's possible to train for aggressive marathon goals without pushing up to at least ~18-20 mile runs in training, so this shortened version is probably more well suited for ~10k or half marathon running goals (alongside strength goals).
Read 5 tweets
Feb 6
If you want to win:

1. Be diligent to spot tiny openings
2. Be relentless in diving through them

If you think that the opportunities are just going to be staring you in the face, wide open, you're crazy.

Every great story starts with a tiny crack. Spot it. Dive through it.
I think this is probably the most important early career advice you can receive.

Maybe a hot take, but:

It doesn't matter if the opening is the exact opportunity you want.

If you become useful now, you'll find a way into the opportunities that excite you most later.
Example of this:

A young woman had cold emailed me for a video editing role.

Didn't have a need, but did need a part-time researcher.

She jumped at it.

A few months later, we had a video need. She'd been crushing it, so got first look.

Now making 3x and full-time editing.
Read 4 tweets

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