In a state, the liberty of one citizen is a menace to the liberty of another.

你不需要是个天才才能理解宇宙。你只需要有好奇心。

教学是我最伟大的艺术作品。

I don’t play for the records; I play because I love the game.

The principle goal of education is to create men who are capable of doing new things, not simply of repeating what other generations have done.

The minerals we extract today must serve the needs of future generations as well.

我打每一分都像我的生命取决于它一样。

时间是我所有作品中看不见的材料。