The framework I found which made the decision incredibly easy was what I called — which only a nerd would call — a “regret minimization framework.” So, I wanted to project myself forward to age 80 and say, “Okay, now I’m looking back on my life. I want to have minimized the number of regrets I have.”

I’m a big fan of all-you-can-eat plans, because they’re simpler for customers.

One of the huge mistakes people make is that they try to force an interest on themselves. You don't choose your passions; your passions choose you.

If we can keep our competitors focused on us while we stay focused on the customer, ultimately we'll turn out all right.

There are multiple ways to be externally focused that are very successful. You can be customer-focused or competitor-focused. Some people are internally focused, and if they reach critical mass, they can tip the whole company.

Good ideas will always get funded, so that's not going to be a problem. But you will see that it will be harder and harder for bad ideas to get funded.

Percentage margins don't matter. What matters always is dollar margins: the actual dollar amount. Companies are valued not on their percentage margins, but on how many dollars they actually make, and a multiple of that.