The joy of mathematics is in the struggle to understand.
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。
唯一的限制是你给自己设下的限制。
Innovation is the only way to break through the bottleneck.
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false.
财富不应该集中在少数人手中,而应该通过公正的竞争分配给所有人。