如果没有地幔对流的概念，大陆漂移理论将只是一种猜测。

Cooperation is more important than competition, and ecosystems are more viable than going it alone.

Changing the destructive things you say to yourself when you experience the setbacks that life deals all of us is the central skill of optimism.

Dreams are the driving force of life, without dreams there is no direction.

证明是一种让自己和他人相信某事为真的方式。

I think that life is far too short to be living someone else's dream.