Sahil Bloom Profile picture
Mar 14, 2021 11 tweets 3 min read Read on X
First principles thinking is a powerful mental model for driving non-linear outcomes. It also requires a willingness to ask difficult, uncomfortable questions.

Here are a few to help you get started: Image
What is the problem I am trying to solve?

We often waste time and energy trying to solve the "wrong" problem.

Identify the "right" problem before you start trying to solve it.
What do I know to be true about this problem?

Write down everything you know about the problem (and its previously attempted solutions).
Why do I believe these "truths" to be true? How do I know they are true?

Identify the source of your beliefs on the problem.

Be ruthless in evaluating their integrity and validity.
How can I support these beliefs? Is there real evidence to support them?

Seek out hard, tangible evidence that proves these beliefs to be true.

If you cannot find it, or if the sources are of questionable integrity, you have learned something valuable about your beliefs.
Are my emotions clouding my judgment and reasoning?

When emotions drive our thoughts and decisions, we rarely see good outcomes.

Remove emotions from the process.
What alternative beliefs or viewpoints might exist?

Acknowledging and understanding alternative viewpoints is a superpower.

Seek them out. Embrace them.

Evaluate them on their merits and ask these same fundamental questions about them.
What are the consequences of being wrong in my original beliefs?

Understanding the stakes is critical.

Always understand the stakes.
First principles thinking starts with questioning your beliefs.

Asking these questions will help you drill down to the foundational truths of a problem and ultimately identify a better solution.

If you start to feel like an endlessly curious child, you are on the right track.
If you enjoyed this, follow me @SahilBloom for more threads on mental models, decision-making frameworks, business, and finance.

You can check out my original thread on first principles thinking 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

Oct 9
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Jun 17
Random question that I’m genuinely curious about: Why don’t commercial airplanes have an eject button?

Like a button that can be pressed if the plane is about to crash that shoots off the top and every seat ejects with a little parachute.

Is it a cost issue? Engineering impossibility?

I have to imagine people would pay more to know they had a better (say 80% higher) chance of survival in the event of a catastrophic failure.

Just something that I’ve always wondered about and now I want to know the answer to.
Even if you assume it still has some hazards and issues (in air collisions post ejection, parachute deployment issues, etc.) if you could get to 80% survival rather than ~0% survival in a catastrophic failure, I bet people would opt to fly a more expensive airline that had this.
The only logic I can think of is that it’s so rare that it’s not worth putting money behind fixing.

But if people would pay for it, why not?

The fear of crashes is outsized relative to their incidence, so I bet there’s a premium/margin to be made on offering this.
Read 6 tweets

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