The oldest， shortest words—'yes' and 'no'—are those which require the most thought.

The dead are not dead. They are alive in memory.

求知若饥，虚心若愚。

我是火星人，没人能触及我。

The state is not a work of art; it is a necessity.

永远对新技术保持好奇，但要对炒作保持警惕。