数学家最好的作品是艺术,一种高度完美的艺术,像想象的最秘密的梦想一样大胆,清晰而透明。
可持续发展不是一种选择,而是我们对地球和后代的责任。
风险管理是战略管理的重要组成部分。
A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.
I don’t want to be famous. I just want to be free.