We could never learn to be brave and patient, if there were only joy in the world

Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

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

Science is a way of thinking much more than it is a body of knowledge.

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

Courage, conviction and confidence.

Books are for people who wish they were somewhere else.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

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

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

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

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

Any sufficiently advanced technology is indistinguishable from magic.

Don't worry that children never listen to you; worry that they are always watching you.

Civilization is a race between disaster and education.

Words can be like X-rays if you use them properly - they'll go through anything. You read and you?re pierced.

The deepest sin against the human mind is to believe things without evidence.

The progressive development of man is vitally dependent on invention.

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