To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
When you look long into an abyss, the abyss looks into you.
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。
增长来自于拥抱变化,而非抗拒变化。
Success is not about how much money you make, it's about the difference you make in people's lives.