The study of mathematics is like air or gravity—it is everywhere, and you can't see it, but you know it's there.
做一个良善的先人。做一些让未来世代感激你的事情。其中一件简单的事情就是去种一棵树。
人は誰でも、自分が一番大切な存在だと思っている。
当一件事有趣时,探寻其中隐藏的真相。
The truth is not always what we want to hear, but it is what we need to know.
"To read is to travel without moving; to write is to move without traveling."