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."

If you only do things where you know the answer in advance, your company goes away.

The human brain is an incredible pattern-matching machine.

There are two ways to extend a business. Take inventory of what you're good at and extend out from your skills. Or determine what your customers need and work backward, even if it requires learning new skills. Kindle is an example of working backward.

Feel free to cover Amazon any way you want. Feel free to cover Jeff Bezos any way you want.

We watch our competitors, learn from them, see the things that they were doing for customers and copy those things as much as we can.

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.