We don't want to make our money selling things that are bad for people. - Charlie Munger

How do these super-smart people with all these degrees and higher mathematics end up doing these dumb things? I think it's explainable by the old proverb that to the man with a hammer every problem looks pretty much like a nail. They've learned these techniques and they just twist the problem so it fits the solution — which is not the way to do it.

However, both Warren and I are very good at changing our prior conclusions. We work at developing that facility because without it, disaster often comes.

There is nothing more counterproductive than envy. Someone in the world will always be better than you. Of all the sins, envy is easily the worst, because you can't even haven any fun with it. It's a total net loss.