Acquire worldly wisdom and adjust your behavior accordingly. If your new behavior gives you a little temporary unpopularity with your peer group then to hell with them.

I think you'll make more money in the end with good ethics than bad. Even though there are some people who do very well, like Marc Rich-who plainly has never had any decent ethics, or seldom anyway. But in the end, Warren Buffett has done better than Marc Rich-in money-not just in reputation.

Just as a man working with his tools should know its limitations, a man working with his cognitive apparatus must know its limitations.

If you took our top fifteen decisions out, we'd have a pretty average record. It wasn't hyperactivity, but a hell of a lot of patience. You stuck to your principles and when opportunities came along, you pounced on them with vigor.

I have what I call an iron prescription that helps me keep sane when I naturally drift toward preferring one ideology over another and that is: I say that I'm not entitled to have an opinion on this subject unless I can state the arguments against my position better than the people who support it. I think only when I've reached that state am I qualified to speak. This business of not drifting into extreme ideology is a very, very important thing in life

I knew a guy who had $5 million and owned his house free and clear. But he wanted to make a bit more money to support his spending, so at the peak of the internet bubble he was selling puts on internet stocks. He lost all of his money and his house and now works in a restaurant. It's not a smart thing for the country to legalize gambling [in the stock market] and make it very accessible.

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.