【译文】得到恩惠很深时应及早退出身来，春风得意时要及时罢休。千万不要等到是非传入耳内，致使过去的恩爱变成怨仇。

NP完全性的概念为理解问题的复杂性提供了一个强大的工具。

抗战将是漫长而艰苦的，但我们的事业是正义的，我们必将胜利。

我不是那种会让对我家人的爱减少的人。

The problem isn't that Johnny can't read. The problem isn't even that Johnny can't think. The problem is that Johnny doesn't know what thinking is; he confuses it with feeling.

When you are young spend at least 6 months to one year living as poor as you can， owning as little as you possibly can， eating beans and rice in a tiny room or tent， to experience what your “worst” lifestyle might be. That way any time you have to risk something in the future you won’t be afraid of the worst case scenario.