A story is never finished; it’s only abandoned.

I am a man of my word.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

光线不断变化，每分钟都在改变事物的氛围和美感。

Inflation is a very bold idea, but it seems to be the only way to explain the observed features of the universe.

世界是一本伟大的书，我们是其中的文字。