Delivering advice assumes that our cognitive apparatus rather than our emotional machinery exerts some meaningful control over our actions. - Nassim Nicholas Taleb

We humans are the victims of an asymmetry in the perception of random events. We attribute our successes to our skills, and our failures to external events outside our control, namely to randomness. We feel responsible for the good stuff, but not for the bad.

A mistake is not something to be determined after the fact, but in the light of the information until that point.

Ethical man accords his profession to his beliefs, instead of according his beliefs to his profession.