Beautiful parallelism. Requires you to spend time reading and re-reading the tweet. Time on tweet = investment in idea = feeling of want/obligation to promote.
Capitalizing on his own credibility by sharing life lessons learned along the way. Shows his human side. Provides a detailed list of valuable principles. Avoids shallow ideas.
Brings us all back down to earth. Helps us see the world a little more as it is than we did before. Incentivizes quote tweets admitting we are still figuring it out ourselves.