Knowing is not enough; we must apply. Willing is not enough; we must do.
To educate a person in the mind but not in morals is to educate a menace to society.
Liberty without Learning is always in peril and Learning without Liberty is always in vain.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
Books are as useful to a stupid person as a mirror is useful to a blind person.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
Show me a family of readers, and I will show you the people who move the world.
Education is the most powerful weapon which you can use to change the world.
Educate the children and it won't be necessary to punish the men.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
What we know is a drop, what we don't know is an ocean.
The most savage controversies are those about matters as to which there is no good evidence either way.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
Seek knowledge from the cradle to the grave.
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
When you know better you do better.
If you can't explain it simply, you don't understand it well enough.
No power and no treasure can outweigh the extension of our knowledge.
Science is what we have learned about how to keep from fooling ourselves.