Mohnish Pabrai — Indian Businessman born on June 12, 1964,

Mohnish Pabrai is an Indian-American businessman, investor, and philanthropist... (wikipedia)

I have a hard time getting past the day without the nap, so the nap is a must.
Mistakes are the best teachers. One does not learn from success. It is desirable to learn vicariously from other people's failures, but it gets much more firmly seared in when they are your own.
The good news in investing is there are no HR problems. If there are no humans, there are no problems!
Basically if you study entrepreneurs, there is a misnomer: People think that entrepreneurs take risk, and they get rewarded because they take risk. In reality entrepreneurs do everything they can to minimize risk. They are not interested in taking risk. They want free lunches and they go after free lunches.
We Americans love original ideas. But truly, there are already plenty of good ones out there, ours for the taking. If I were too proud to copy the ideas of others, I likely wouldn't have even a fraction of my current success.