The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

如果你和你的竞争对手做的事情本质上是一样的，你可能不会太成功。

梦想是现实的原材料。

成功不是终点，失败也并非致命，重要的是继续前进的勇气。