"The world is a shadow, and the shadow is a mirror."

You can’t make art without making mistakes.

The future we want must be invented. Otherwise we will get one which we don't want.

The Langlands program is a reflection of the interconnectedness of all mathematical disciplines.

A nation that destroys its soils destroys itself.

有谁背后没被他人议论过，又有谁在他人面前没议论过别人？有钱人不管说什么，别人都奉承他说的是真的，而穷人即使说的是真话，别人也都不相信是真话。