光是所有存在的起源。

我是一个战士，我非常坚定。

We are like travelers who have lost their way； we must ask， each one， for directions from a passerby.

The key to managing complexity is to focus on the interfaces between components, not their implementations.

I love to practice. When I'm not playing, I'm practicing.

教育是你可以用来改变世界的最强大的武器。