Laughing is good for you if you don't kill yourself.

"What I need is the dandelion in the spring. The bright yellow that means rebirth instead of destruction. The promise that life can go on, no matter how bad our losses. That it can be good again."

"The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter."

无知永远不比知识更好。

True leadership is about serving others, not yourself.

多线进化是对因对不同环境的不同适应而产生的文化多样形式的研究。