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.

The study of mathematics is a journey into the unknown, where each discovery opens the door to new mysteries.

Theoretical physics is not just about solving equations; it's about understanding the fabric of reality.

所有老人共同的大秘密是，在七八十年里，你其实并没有改变。你的身体变了，但你一点都没变。

我们实现明天的唯一限制将是我们今天的疑虑。

我获得的丰富来自大自然，那是我灵感的源泉。