理性服从自己；而无知则服从任何强加于它的东西。

Literature is the memory of humanity, and without memory, there is no identity.

"The best way to predict the future is to invent it."

The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

信任是任何成功商业关系的基础。