It takes considerable knowledge just to realize the extent of your own ignorance.

To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

我写关于我生活的歌，而我的生活相当普通。

The history of all hitherto existing society is the history of class struggles.

"To be a writer is to acknowledge the secret wounds that we carry inside."

A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.

The true measure of a company's success is how it treats its employees and the environment.