忙于追求天理的人,对人的欲望必定淡薄。忙于私事的人,处理公务必然粗心,追求虚饰外表的人,内在之心必定单薄。
学习数学的唯一方法就是做数学。
Identity is a fragile thing, easily lost and hard to regain.
I don't believe in good taste. I believe in being honest.