In my whole life I've never been good at something I wasn't very interested in. It just doesn't work. There's no substitute for strong interest. - Charlie Munger

It takes character to sit with all that cash and to do nothing.
I didn't get top where I am by going after mediocre opportunities.

We all are learning, modifying, or destroying ideas all the time. Rapid destruction of your ideas when the time is right is one of the most valuable qualities you can acquire. You must force yourself to consider arguments on the other side.

Yet, within this pursuit of rationality and simplicity, he is careful to avoid what he calls physics envy, the common human craving to reduce enormously complex systems (such as those in economics) to one-size-fits-all Newtonian formulas. Instead, he faithfully honors Albert Einstein’s admonition: “A scientific theory should be as simple as possible, but no simpler.