The most important thing you can have is a good strategic asset allocation mix. So, what the investor needs to do is have a balanced, structured portfolio – a portfolio that does well in different environments…. we don't know that we're going to win. We have to have diversified bets.

The more you think you know, the more closed-minded you'll be.

Unlike in school, in life you don't have to come up with all the right answers. You can ask the people around you for help - or even ask them to do the things you don't do well. In other words, there is almost no reason not to succeed if you take the attitude of 1) total flexibility - good answers can come from anyone or anywhere (and in fact, as I have mentioned, there are far more good answers 'out there' than there are in you) and 2) total accountability: regardless of where the good answers come from, it's your job to find them.

Distinguish open-minded people from closed-minded people. Open-minded people seek to learn by asking questions; they realize that what they know is little in relation to what there is to know and recognize that they might be wrong. Closed-minded people always tell you what they know, even if they know hardly anything about the subject being discussed. They are typically made uncomfortable by being around those who know a lot more about a subject, unlike open-minded people who are thrilled by such company.

Though how nature works is way beyond man's ability to comprehend, I have found that observing how nature works offers innumerable lessons that can help us understand the realities that affect us.

Constantly probe the people who report to you, and encourage them to probe you.

I'm scared of people with power making the decision.