The more I read, the more I acquire, the more certain I am that I know nothing.
Science is not only a disciple of reason but, also, one of romance and passion.
Knowledge becomes evil if the aim be not virtuous.
I cannot live without books.
A little knowledge is a dangerous thing. So is a lot.
Knowing is not enough; we must apply. Willing is not enough; we must do.
Those who fail to learn the lessons of history are doomed to repeat them.
In mathematics you don't understand things. You just get used to them.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
Imagination is more important than knowledge.
Know what you are talking about.
You can never be overdressed or overeducated.
The great difficulty in education is to get experience out of ideas.
Educate the children and it won't be necessary to punish the men.
The ability to observe without evaluating is the highest form of intelligence.
If I have seen further it is by standing on the shoulders of Giants.
If one cannot enjoy reading a book over and over again, there is no use in reading it at all.
Study without desire spoils the memory, and it retains nothing that it takes in.
If help and salvation are to come, they can only come from the children, for the children are the makers of men.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.
The books that the world calls immoral are books that show the world its own shame.