Architecture should speak of its time and place, but yearn for timelessness.

Memory， I realize， can be an unreliable thing； often it is heavily coloured by the circumstances in which one remembers.

Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary.

The future of mining belongs to those who can balance profit with purpose.

I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.

我们这个时代最重要的政治挑战是创建强大、有效和负责任的国家。