Psychology must be a guide to practical living.

The worst thing you can do is to pretend to be something you're not.

Beware the barrenness of a busy life.

能源的未来在于平衡经济增长与环境管理。

To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.

我将无法再写任何东西。我没有什么可说的了。

To love is to admire with the heart; to admire is to love with the mind.

真相往往藏在最简单的事物中。