The strength of a political system lies in its ability to adapt to changing circumstances and to incorporate new ideas and practices.

Theorems are not discovered by accident.

We are all ready to be savage in some cause. The difference between a good man and a bad one is the choice of the cause.

Tradition and modernity are not opposites; they can coexist and enrich each other.

爱不是占有，而是奉献。

"He who has a why to live can bear almost any how."