When I was your age, we didn't have the Internet in our pants. We didn't even have the Internet not in our pants. That's how bad it was.

Not only can you not plan the impact you're going to have, you often won't recognize it when you're having it.

People have Plato's form in their mind of what a leader is, or what a C.E.O. is, and it is a bunch of elements that I really don't conform to at all. I've given this a lot of thought, and I came to the conclusion that I don't care.

That’s just silly. Closing a global business in reaction to single-issue national politics is foolish.

The key is to just get on the bike, and the key to getting on the bike… is to stop thinking about ‘there are a bunch of reasons I might fall off’ and just hop on and peddle the damned thing. You can pick up a map, a tire pump, and better footwear along the way.

Successful businesses measure and count things. I think that's a safe assumption on top of which we can drop the following hypothesis: unsuccessful business either measure nothing, the wrong things, too many things, or finally, they measure the right things but they don't communicate the measurements efficiently.

Don't always worry what your next line is going to be.