All who joy would win must share it. Happiness was born a twin.

The more you know, the more you can imagine. The more you imagine, the more you can know.

The psychologist must be an impartial observer.

我们生活在一个影子的世界里，我们自己也是影子。

未来的商业竞争，一定是效率的竞争。

唯一真正的监狱是恐惧，唯一真正的自由是从恐惧中解脱。