"And this I believe: that the free, exploring mind of the individual human is the most valuable thing in the world. And this I would fight for: the freedom of the mind to take any direction it wishes, undirected."

Machinery is the great civilizer of our age.

The most important thing is to be able to think.

解释：砍伐树木不把树根砍掉，必能重新生长；堵塞水不把源头堵住，必会重新流出；消除祸患不铲除产生祸患的根基，祸患还会再生。

教育不是填满一个桶，而是点燃一把火。

医学的艺术在于在自然治愈疾病时逗乐病人。

The imagination imitates. It is the critical spirit that creates.