In mathematics, the art of proposing a question must be held of higher value than solving it.
I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.
众所周知,同样的环境可能以非常不同的方式影响不同的个体。
The secret of great fortunes without apparent cause is a crime forgotten, for it was properly done.
Trust is the foundation of any successful business relationship.