The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.

Every object has a shadow story waiting to be told.

The best art is the art that changes you.

Happiness resides not in possessions and not in gold； the feeling of happiness dwells in the soul.

Every mathematical problem is a window into a deeper understanding of the world.

领导力不是讨人喜欢，而是取得成果。

人们并不愚蠢。他们知道如何从过去推断未来。