The language of mathematics is universal, transcending cultural and linguistic barriers.

I don’t see myself as a superstar. I see myself as a normal guy who loves tennis.

You can't have a better tomorrow if you're still thinking about yesterday.

The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.

To make something good， just do it. To make something great， just re-do it， re-do it， re-do it. The secret to making fine things is in remaking them.