生活对智者是一场梦，对愚者是一场游戏，对富人是一场喜剧，对穷人是一场悲剧。

I have a very simple idea on how to get rich. The first is to spend less than you make, and the second is to invest the difference wisely.

The most important thing is to be able to think, to be able to see, to be able to judge what you see.

The key is to stay focused on your own path.

在科学中，最重要的是不要停止提问。