Human behavior flows from three main sources: desire, emotion, and knowledge
The first principle is that you must not fool yourself and you are the easiest person to fool.
The reading of all good books is like conversation with the finest men of past centuries.
Investigate, educate and organize.
Science is not only a disciple of reason but, also, one of romance and passion.
Education is an ornament for the prosperous, a refuge for the unfortunate.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
Study without desire spoils the memory, and it retains nothing that it takes in.
I like poems you can tack all over with a hammer and there are no hollow places.
Patience is a virtue, and I'm learning patience. It's a tough lesson.
The deepest sin against the human mind is to believe things without evidence.
A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.
Imagination is the source of every form of human achievement. And it's the one thing that I believe we are systematically jeopardizing in the way we educate our children and ourselves.
There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.
The highest result of education is tolerance.
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.
Most people have never learned that one of the main aims in life is to enjoy it.
Books are as useful to a stupid person as a mirror is useful to a blind person.
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.