Cleverness is a gift, kindness is a choice. Gifts are easy-they're given after all. Choices can be hard.

I went to Princeton specifically to study physics.

Read the Declaration of Independence to your children as a tradition every Fourth of July. Make sure they understand why the word "pursuit" precedes the word "happiness."

We are pioneers and the history of pioneers is not that good.

Where you are going to spend your time and your energy is one of the most important decisions you get to make in life.

What consumerism really is, at its worst is getting people to buy things that don't actually improve their lives.

If you're competitor-focused, you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.