能量守恒定律不仅仅是一个抽象原则；它是已被无数实验验证的自然法则。

The only person you should try to be better than is the person you were yesterday.

Innovation is not just about new ideas, but about executing them in ways that create real value.

In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.  

生命短暂，但如果我们活得正确，一次就足够了。