But 300 million Americans, their lending institutions, their government, their media, all believed that house prices were going to go up consistently. And that got billed into a $20 trillion residential home market. Lending was done based on it, and everybody did a lot of foolish things.

Charlie and I decided long ago that in an investment lifetime, it's too hard to make hundreds of smart decisions. That judgment became ever more compelling as Berkshire's capital mushroomed and the universe of investments that could significantly affect our results shrank dramatically. Therefore, we adopted a strategy that required our being smart and not too smart at that, only a very few times. Indeed, we now settle for one good idea a year.

Mark Zuckerberg will be a hero to many young entrepreneurs 20 years from now. Bill Gates will be a hero to others, and they will look to those [people] like I read books when I was in my teens about Rockefeller or Carnegie.

Success in investing doesn’t correlate with I.Q. Once you are above the level of 25; once you have ordinary intelligence, what you need is the temperament to control the urges that get other people into trouble in investing.

I don't want to be on the other side of the table from the customer. I was never selling anything that I didn't believe in myself or use myself.

The true investor welcomes volatility ... a wildly fluctuating market means that irrationally low prices will periodically be attached to solid businesses.

If a business does well, the stock eventually follows.