抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
You have to believe in yourself when no one else does.
"The most ordinary life, when examined closely, becomes extraordinary."
"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."
过去是一个异国他乡；他们在那里做事的方式不同。
公司的文化塑造其创新；诚信必须成为核心。
Be yourself and you can be anything.
数学家的工作是在别人看到混乱的地方发现模式。