数学是给不同事物起相同名字的艺术。
Mathematics is the art of giving the same name to different things.
如果你无法飞翔,那就奔跑;如果你无法奔跑,那就快走;如果你无法快走,那就爬行。但无论如何,你必须继续前进。
"The only way to get rid of a temptation is to yield to it."