你知道的越多,你就越意识到你不知道的越多。
把你的心挂在袖子上不是一个好计划;你应该把它放在里面,那里它运作得最好。
Sometimes you gotta do what you gotta do, even if it hurts.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The true measure of a civilization is how it treats its weakest members.