It’s waiting that helps you as an investor, and a lot of people just can’t stand to wait. If you didn’t get the deferred-gratification gene, you’ve got to work very hard to overcome that.

Some years ago one oil company bought a fertilizer company, and every other major oil company practically ran out and bought a fertilizer company. And there was no more damned reason for all these oil companies to buy fertilizer companies, but they didn't know exactly what to do, and if Exxon was doing it, it was good enough for Mobil and vice versa.

Suppose you were a real estate investor with a 1/3 interest in the best apartment complex in town, the best mall, and the best office building. Would you feel like a poor, undiversified investor? No! But as soon as you get into stocks, people feel this way. Partly, people need to justify their fees.

And your brain doesn't naturally know how to think the way Zeckhauser knows how to play bridge. "for example," people do not react symmetrically to loss and gain. Well maybe a great bridge player like Zeckhauser does, but that's a trained response. Ordinary people, subconsciously affected by their inborn tendencies.

If you don't keep learning, other people will pass you by. Temperament alone won't do it - you need a lot of curiosity for a long, long time.

When you borrow a man's car, always return it with a tank of gas.

The secret to happiness is to lower your expectations. ...that is what you compare your experience with. If your expectations and standards are very high and only allow yourself to be happy when things are exquisite, you'll never be happy and grateful. There will always be some flaw. But compare your experience with lower expectations, especially something not as good, and you'll find much in your experience of the world to love, cherish and enjoy, every single moment.