The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.

The aim of proof is to understand, not just to verify.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

I’m not a guy that’s going to let my love for my work ethic down.

数学的进步是通过概括实现的。

创新不仅仅是创造新产品，更是重新思考我们做每件事的方式。

Money complicates things, but it doesn't change the fact that art is about life and death.

燕子飞来时正值春社，梨花凋落后便是清明时节。