And deprival-superreaction syndrome also comes in: You’re going to lose the whole thing if you don’t put in a little more. People go broke that way b… - Charlie Munger

The first helpful notion is that it is usually best to simplify problems by deciding big no-brainer questions first. The second helpful notion mimics Galileo’s50 conclusion that scientific reality is often revealed only by math as if math was the language of God.

The ability to destroy your ideas rapidly instead of slowly when the occasion is right is one of the most valuable things. You have to work hard on it. Ask yourself what are the arguments on the other side. It’s bad to have an opinion you’re proud of if you can’t state the arguments for the other side better than your opponents. This is a great mental discipline.

Richard Feynman as follows: “The first principle is that you must not fool yourself, and you’re the easiest person to fool.