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.

情感不需要复杂的解释——有时一笔画就能传达一切。

"We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction."

到达另一边的唯一方法就是穿过那扇门。