The revolution is not an apple that falls when it is ripe. You have to make it fall.

我们只是一个平凡星系中的一个渺小星球上的一种高等的猴子。但是我们却可以理解这个宇宙，这就是我们的独特之处。

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

Success is stumbling from failure to failure with no loss of enthusiasm.

未经测试的程序是无法正常工作的。