Mathematics is the art of giving the same name to different things.

The past is never dead. It's not even past.

仰望星空，而不是低头看脚。试着理解你所看到的，并思考是什么让宇宙存在。保持好奇心。

The art of programming is the art of organizing complexity, of mastering multitude and avoiding its bastard chaos as effectively as possible.

Success is not final, failure is not fatal: It is the courage to continue that counts.

我们每天所做的选择——我们买什么、吃什么、如何生活——都会产生影响。