It is impossible to unsign a contract, so do all your thinking before you sign.

The idea that you try to time purchases based on what you think business is going to do in the next year or two, I think that's the greatest mistake that investors make because it's always uncertain. People say it's a time of uncertainty. It was uncertain on September 10th, 2001, people just didn't know it. It's uncertain every single day. So take uncertainty as part of being involved in investment at all. But uncertainty can be your friend. I mean, when people are scared, they pay less for things. We try to price. We don't try to time at all.

The best investment you can make is in yourself.

I never invest in anything that I don't understand.

When people tell me they've learned from experience, I tell them the trick is to learn from other people's experience.

Don't settle for anything other than your passion - if you're lucky enough to find it.

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.