牙痛的人认为牙齿健康的人都快乐。穷人对富人也犯同样的错误。

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.

道家的自然观不仅是被动的接受，更是对宇宙过程的积极参与。