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.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

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.

I do not know how to teach philosophy without becoming a disturber of the peace.

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

A child miseducated is a child lost.

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

Better know nothing than half-know many things.

A little knowledge is a dangerous thing. So is a lot.

What sculpture is to a block of marble, education is to a human soul.

I am indebted to my father for living, but to my teacher for living well.

Courage, conviction and confidence.

Any sufficiently advanced technology is indistinguishable from magic.

Education is an ornament for the prosperous, a refuge for the unfortunate.

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

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

All stable processes we shall predict. All unstable processes we shall control.

Show me a family of readers, and I will show you the people who move the world.

Most people have never learned that one of the main aims in life is to enjoy it.

When you know better you do better.

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