A good system design is one that makes it easy to do the right thing and hard to do the wrong thing.
一个好的系统设计是使做正确的事情变得容易，做错误的事情变得困难。
The greatest happiness is to know the source of unhappiness.
We must balance short-term energy needs with long-term environmental goals.
We must strengthen international cooperation to jointly address the challenges of energy security and climate change.
世界是一片伟大的沙漠，我们是其中的旅行者。
如果你把每年做的实验数量翻倍，你的创造力也会翻倍。