Happiness is not something ready made. It comes from your own actions.

The best way to understand contemporary art is to look at lots of it.

The gods have not revealed all things from the beginning to mortals, but, by seeking, men find out better in time.

智慧是快乐的源泉。

大自然不在乎你的计划。它会考验你，你必须做好准备。

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.

复杂很容易，简单却很难。