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

出门时笑一笑，不要心怀悲哀，广阔的胸怀处处都能敞开。

数学不仅仅是抽象理论的集合，而是描述宇宙的语言。

The world is a comedy to those that think, a tragedy to those that feel.

真正的创新源于好奇心和挑战未知的勇气。

没有道德的效率是空洞的进步。