The key to life is to figure out who to be the batboy for.

The key to success is emotional stability.

I choose to work with every single person that I work with. That ends up being the most important factor. I don't interact with people I don't like or admire. That's the key. It's like marrying.

Investors should remember that their scorecard is not computed using Olympic-diving methods: Degree-of-difficulty doesn't count. If you are right about a business whole value is largely dependent on a single key factor that is both easy to understand and enduring, the payoff is the same as if you had correctly analyzed an investment alternative characterized by many constantly shifting and complex variables.

The key to investing is not assessing how much an industry is going to affect society, or how much it will grow, but rather determining the competitive advantage of any given company and, above all, the durability of that advantage.

Confidence is key. You're not going to put your money - you're not going to leave your money with me unless you're confident I'm going to give it back to you.