I’m not perfect, and I don’t pretend to be.
Building corporate culture is an important part of long-term strategy.
Theorems are the permanent literature of mathematics.
我们对明天认识的唯一限制是我们今天的怀疑。
每个人都有不为世人所知的秘密悲伤;我们常常称一个人冷漠,其实他只是悲伤。