For a new payment product, you always have to ask, how much better is it than the current solution? So when we started Paypal, for eBay micro merchants, it was much better than getting the 7 to 10 days process of cashing a check in the mail. When you look at stores or physical worlds, places, a lot of these places are already set up to take cash or credit card. Apple Pay may be an incremental improvement, maybe a little bit better. But when you have something that's pretty good and you go to something that's perfect, sometimes it's very hard to drive adoption because the delta is not that big.

I think anything that requires real global breakthroughs requires a degree of intensity and sustained effort that cannot be done part time, so it's something you have to do around the clock, and that doesn't compute with our existing educational system.

Recruiting is a core competency for any company. It should never be outsourced.

Society is secretly driven by sales

Brilliant thinking is rare, but courage is in even shorter supply than genius.

If people were super-optimistic about technology there would be no reason to be pessimistic about the future.

A lot of the key to Apple's succes is Designing technology in order to hide it.