The quality of the product is the dignity of the enterprise.

为和平而战就像为童贞而干。

Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that.

The greatest glory in living lies not in never falling, but in rising every time we fall.

The beauty of the universe lies in its complexity and simplicity.

系统不是一个生产系统，而是一个消费系统。