Men are born ignorant, not stupid. They are made stupid by education.
The secret of life is not enjoyment but education through experience.
My weapon is literature
It is beyond a doubt that all our knowledge begins with experience.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
Don't learn to do, but learn in doing.
Opinion is the medium between knowledge and ignorance.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
There is nothing more notable in Socrates than that he found time, when he was an old man, to learn music and dancing, and thought it time well spent.
Knowing others is wisdom, knowing yourself is Enlightenment.
Just because I don't care doesn't mean I don't understand.
A cynic is a man who knows the price of everything, and the value of nothing.
Human behavior flows from three main sources: desire, emotion, and knowledge
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
Knowledge becomes evil if the aim be not virtuous.
The progressive development of man is vitally dependent on invention.
With educated people, I suppose, punctuation is a matter of rule; with me it is a matter of feeling. But I must say I have great respect for the semi-colon; it's a useful little chap.
If you can't explain it simply, you don't understand it well enough.
An investment in knowledge pays the best interest.
Reading is to the mind what exercise is to the body.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.