You have to know accounting. It's the language of practical business life. It was a very useful thing to deliver to civilization. I've heard it came to civilization through Venice which of course was once the great commercial power in the Mediterranean. However, double entry bookkeeping was a hell of an invention.

Why should it be easy to do something that, if done well, two or three times, will make your family rich for life?

I regard the amount of brainpower going into money management as a national scandal. When some idiot would get rich, they'd say, 'Well, old Charlie was out in the field playing the big brass tuba on the day it rained gold.' A lot of people have become rich lately who were playing the tuba on the day it rained gold.

We don't have an isolated group [of senior managers] surrounded by servants. Berkshire's headquarters is a tiny little suite. We just came back from Berkshire's board meeting; it had moved up to the board room of the Kiewit company and [it was so large and luxurious that] I felt uncomfortable.

I'm very pleased when the smartest people come [to the U.S.] and almost never pleased when the very bottom of the mental barrel comes in.

A lot of people with high IQs are terrible investors because they've got terrible temperaments. And that is why we say that having a certain kind of temperament is more important than brains. You need to keep raw irrational emotion under control. You need patience and discipline and an ability to take losses and adversity without going crazy. You need an ability to not be driven crazy by extreme success

Part of [having uncommon sense] is being able to tune out folly, as opposed to recognizing wisdom. If you bat away many things, you don't clutter yourself.