种一棵树最好的时间是20年前,第二好的时间是现在。
The best time to plant a tree was 20 years ago; the second best time is now.
To succeed, get other people to pay you; to become wealthy, help other people to succeed.
In mathematics, the journey is just as important as the destination.
The mirror is not just a surface, it's a dimension.
If you're not interested in food and people, you're probably not interested in what I do.
科学的进步依赖于挑战未知的勇气和从失败中学习的智慧。
最危险的并非失败,而是自满。
翻译:言行谨慎,既能避免灾祸,也不会招来荣誉。