When you're young you think you're going to have lots of friends. But as you get older, you realize you can count them on one hand.

Innovation is not just about technology, it's about changing people's lives.

"I’m not afraid of losing. I’m afraid of not trying."

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

"Books are the mirrors that show us who we are."

If you love what you do, you'll never work a day in your life.