淡泊平静，忧患就不能影响，邪气就不能侵袭，就德性完备而精神不损。

如果你想快乐，那就快乐吧。

The magic number 150 suggests that the size of our social networks is limited by the size of our brains.

The most important political development of the modern era is the rise of the modern state.

我们的现代头颅里装着一个石器时代的心智。

Your time is limited, don't waste it living someone else's life. Don't be trapped by dogma, which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become.