The best products come from a combination of passion and precision.

The conjectures of the Langlands program are a challenge to the next generation of mathematicians.

Happiness is not something ready made. It comes from your own actions.

If a man will begin with certainties， he shall end in doubts； but if he will be content to begin with doubts， he shall end in certainties.

I do not wish them [women] to have power over men; but over themselves.

最可持续的皮革来自最受尊重的动物。