Everybody recognizes that if you can make very efficient electric motors, you can make a quantum leap forward.

Arbitrary benchmarks cheat kids out of a fulfilling education.

There is no such thing as a quantum leap. There is only dogged persistence - and in the end you make it look like a quantum leap.

If you want to do something different, you’re going to come up against a lot of naysayers.

What I've learned from running is that the time to push hard is when you're hurting like crazy and you want to give up. Success is often just around the corner.

In the digital age of "overnight" success stories such as Facebook, the hard slog is easily overlooked.

Fear is always a good motivator.