Investigate, educate and organize.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

Reading is to the mind what exercise is to the body.

It is better to know how to learn than to know.

The only good is knowledge and the only evil is ignorance.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

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.

There is nothing more awful, insulting, and depressing than banality.

The most savage controversies are those about matters as to which there is no good evidence either way.

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

If the facts don't fit the theory, change the facts.

My weapon is literature

I think that kids have a greater capacity for processing things than we give them credit for.

The first principle is that you must not fool yourself and you are the easiest person to fool.

Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.

Educate the children and it won't be necessary to punish the men.

Education is the kindling of a flame, not the filling of a vessel.

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

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

A child miseducated is a child lost.

The task of a writer is not to solve the problem but to state the problem correctly.