It is not usually the conscious malfeasance of your narrow professional adviser that does you in. Instead, your troubles come from his subconscious b… - Charlie Munger

And he will also suffer from the psychological defect caught by the proverb “To a man with a hammer, every problem looks like a nail.” The fifth helpful notion is that really big effects, lollapalooza effects, will often come only from large combinations of factors.

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.

The great algorithm to remember in dealing with this tendency is simple: an idea or a fact is not worth more merely because it’s easily available to you.

As Buffett and I say over and over again, we don’t leap 7-foot fences. Instead, we look for 1-foot fences with big rewards on the other side. So we’ve succeeded by making the world easy for ourselves, not by solving hard problems.