The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
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。
Leadership means making tough decisions today that will blossom into opportunities tomorrow.
朗兰兹纲领是对数学如何被视为一个单一、连贯整体的愿景。
最好的故事是挑战现状的故事。