A man who moralizes is usually a hypocrite, and a woman who moralizes is invariably plain.

The future of democracy depends on its ability to adapt to new challenges and to renew itself.

Curiosity is the engine that drives scientific progress.

晶体管是一项关键发明，但其真正意义在于它如何实现了技术的民主化。

一本好书是一个永远不会让你失望的朋友。