The only good is knowledge and the only evil is ignorance.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
I like poems you can tack all over with a hammer and there are no hollow places.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
Don't learn to do, but learn in doing.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
Dare to think for yourself.
Common sense is the collection of prejudices acquired by age eighteen.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
It is what you read when you don't have to that determines what you will be when you can't help it.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
I do not know how to teach philosophy without becoming a disturber of the peace.
I am indebted to my father for living, but to my teacher for living well.
Education is an ornament for the prosperous, a refuge for the unfortunate.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
Human behavior flows from three main sources: desire, emotion, and knowledge
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
The ability to observe without evaluating is the highest form of intelligence.
Books are as useful to a stupid person as a mirror is useful to a blind person.
My weapon is literature