The ability to observe without evaluating is the highest form of intelligence.
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.
Seek knowledge from the cradle to the grave.
Science is not only a disciple of reason but, also, one of romance and passion.
Most people have never learned that one of the main aims in life is to enjoy it.
I am a part of everything that I have read.
No man's knowledge here can go beyond his experience.
Learning never exhausts the mind.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
I think that kids have a greater capacity for processing things than we give them credit for.
Physics is like sex: sure, it may give some practical results, but that's not why we do it.
Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.
Make it a rule never to give a child a book you would not read yourself.
Education is an admirable thing, but it is well to remember from time to time that nothing that is worth knowing can be taught.
One test of the correctness of educational procedure is the happiness of the child.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
Books are for people who wish they were somewhere else.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
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.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.