没有“悲哀”提供平衡，“愉快”一词就会失去意义。

如果我们把海洋视为无限资源，很快就会发现事实恰恰相反。

史记

The best leaders are those who listen more than they speak, and act more than they promise.

Discipline is the bridge between goals and accomplishment.

物理学的美丽在于它能够用简单的原理解释复杂的事物。

在不完美中有一种美。