The only way to do great work is to love what you do.

Of all the things which wisdom provides to make us entirely happy, much the greatest is the possession of friendship.

法治是一种政治理想，而不是一个法律概念。

在科学中，创造力和技术技能同样重要。

可持续发展已不再是一种选择，而是我们对后代的责任。