I'm not afraid to fail, I'm afraid of not trying.

Innovation is not about saying yes to everything. It's about saying no to all but the most crucial features.

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.

On the path of science, failure and success are equally important; they are both steps towards truth.