Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

Every day is a new opportunity to make a difference.

翻译：说明自然资源是天生的，而人类通过工艺将其开发利用。

Precision in experimentation is as important as creativity in hypothesis.

当一个人做出彻底的蠢事，那通常是出于最高尚的动机。

写作是唯一一个不赚钱也不会被人嘲笑的职业。