Opinion is the medium between knowledge and ignorance.
The only good is knowledge and the only evil is ignorance.
Don't worry that children never listen to you; worry that they are always watching you.
The most important part of teaching is to teach what it is to know.
The books that the world calls immoral are books that show the world its own shame.
The delight of opening a new pursuit, or a new course of reading, imparts the vivacity and novelty of youth even to old age.
One test of the correctness of educational procedure is the happiness of the child.
The ability to observe without evaluating is the highest form of intelligence.
The only true wisdom is in knowing you know nothing.
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.
Industrialize or perish.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
I am a part of everything that I have read.
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
Science is a way of thinking much more than it is a body of knowledge.
All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.
No man's knowledge here can go beyond his experience.
It is what you read when you don't have to that determines what you will be when you can't help it.