"Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary."

Challenges are opportunities in disguise—if you're willing to look closely.

The longer you look at an object, the more abstract it becomes, and, ironically, the more real.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

A man who does not keep his word is no man at all.