The good man is the man who, no matter how morally unworthy he has been, is moving to become better.
好人就是无论他过去在道德上多么不值得,现在正在变得更好的人。
现在数学家面临的最大问题可能是黎曼假设。
The only service a friend can really render is to keep up your courage by holding up to you a mirror in which you can see a noble image of yourself.
在我们身上,没有什么是永恒的。
人类对于不公正的行为加以指责,并非因为他们愿意做出这种行为,而是惟恐自己会成为这种行为的牺牲者。