如果你从未尝试过，你怎么知道是否有机会？

A distributed system is one in which the failure of a computer you didn’t even know existed can render your own computer unusable.

The artist must be a servant of the sacred.

Chemistry is the art of manipulating matter at the molecular level, and catalysis is its most powerful brush.

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life.