一个（男）人不是为失败而生的。一个人可以被毁灭，但不能被打败。（
But man is not made for defeat.A man can be destroyed but not defeated.
追求数学知识是一场永无止境的冒险。
The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.
我不认为每个人都应该成为数学家，但我确实相信许多学生没有给数学一个真正的机会。
