Mathematics is the art of giving the same name to different things.
数学是给不同事物起相同名字的艺术。
Fools ignore complexity. Pragmatists suffer it. Some can avoid it. Geniuses remove it.
大多数人死在二十或三十岁,此后他们只是自己的影子。
真正的领导者懂得如何倾听他人的意见并从中学习。