Books! I dunno if I ever told you this, but books are the greatest gift one person can give another.

Learning never exhausts the mind.

Never help a child with a task at which he feels he can succeed.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

One test of the correctness of educational procedure is the happiness of the child.

The first idea the child must acquire is that of the difference between good and evil.

I have no special talents. I am only passionately curious.

The direction in which education starts a man will determine his future in life

Human behavior flows from three main sources: desire, emotion, and knowledge

A child miseducated is a child lost.

The fullness of knowledge only comes through the awareness of ignorance.

Intelligence plus character-that is the goal of true education.

Those who fail to learn the lessons of history are doomed to repeat them.

To every action there is always an equal and opposite or contrary, reaction

In mathematics you don't understand things. You just get used to them.

The knowledge of all things is possible

It is possible to fly without motors, but not without knowledge and skill.

The only true wisdom is in knowing you know nothing.

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.