When I am attacked by gloomy thoughts, nothing helps me so much as running to my books. They quickly absorb me and banish the clouds from my mind.
Those who fail to learn the lessons of history are doomed to repeat them.
I do not know how to teach philosophy without becoming a disturber of the peace.
Just because I don't care doesn't mean I don't understand.
The first principle is that you must not fool yourself and you are the easiest person to fool.
One test of the correctness of educational procedure is the happiness of the child.
The fullness of knowledge only comes through the awareness of ignorance.
There is nothing more awful, insulting, and depressing than banality.
The secret of life is not enjoyment but education through experience.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
The man who does not read good books has no advantage over the man who can't read them.
Learning never exhausts the mind.
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.
What sculpture is to a block of marble, education is to a human soul.
There is no authority who decides what is a good idea.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
If there were no bad people, there would be no good lawyers.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
It is not enough for the teacher to love the child. She must first love and understand the universe. She must prepare herself, and truly work at it.
If you can't explain it simply, you don't understand it well enough.
It is what you read when you don't have to that determines what you will be when you can't help it.