数学的本质在于它的自由。

The free, exploring mind of the individual human is the most valuable thing in the world.

Technology and tradition must work hand in hand. The wisdom of the past can guide the innovations of the future.

死亡很可能是唯一的、最好的生命创造。它是生命的促变者。它送走老一代，给新一代开出道路。

人生没有绝对的公平，但相对还是公平的。

I think that the most important thing in life is to be happy and to make other people happy.

最重要的是避免亏钱。