The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.

我想我只有一个选择：要么忙着生存，要么忙着死。

海洋的潜力是无限的，但我们利用它的智慧却是有限的。

《在广州商团和警察联欢会的演说》（1924年1月14日）

如果可能的话，和平；无论如何，真理。

"If you feel like you're losing everything, remember that trees lose their leaves every year and they still stand tall and wait for better days."

我不追求名利，只追求内心的满足。