Philosophers talk about truth and falsehood. People in life talk about payoff, exposure, and consequences (risks and rewards), hence fragility and antifragility. And sometimes philosophers and thinkers and those who study conflate Truth with risks and rewards.

What I learned on my own I still remember

I want to live happily in a world I don’t understand.

I don't know anyone on Wall Street who goes to work every day thinking of anything but how to increase their bonus.

Never think that lack of variability is stability. Don't confuse lack of volatility with stability, ever.

Banking is a very treacherous business because you don't realize it is risky until it is too late. It is like calm waters that deliver huge storms.

Learn to fail with pride - and do so fast and cleanly. Maximise trial and error - by mastering the error part.