The good man is the man who, no matter how morally unworthy he has been, is moving to become better.

The best solutions often come from listening to those who work on the water every day.

决心不过是记忆的奴隶，它会根据你的记忆随意更改。

现在是唯一没有尽头的东西。

快乐不是现成的东西。它来自你自己的行动。

世界需要能源，但它比以往任何时候都更需要负责任的能源。

元素周期表是人类好奇心和创造力的证明。

我认为只要不伤害别人，你应该可以做任何你想做的事。