The world is a puzzle; the pieces are scattered, and no one has the picture on the box.

能够激发学生对一件善行或一首好诗的感受的教师，比那些用一排排自然物体填满我们记忆的人成就更大。

In a 5 year period we get one superb programming language. Only we can't control when the 5 year period will be.

真正的数学家始终是学生，永远在学习。

Waste is merely a resource we haven’t learned to value yet.

爱永远比恐惧更强大。

Sustainability isn't a choice anymore—it's the only way forward for responsible businesses.

The greatest mysteries are those we create ourselves.