The key is to keep improving, to keep working hard.

友情是超越时间的纽带。

在俄罗斯，法律的严酷性因不被执行而得到缓和。

I've seen so much folly and stupidity on the part of our major philanthropic groups, including the world bank.I really have more confidence in building up the more capitalistic ventures like Costco.

In mathematics, the simplest questions often lead to the deepest insights.