I am so clever that sometimes I don't understand a single word of what I am saying.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

A child educated only at school is an uneducated child.

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

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

A witty saying proves nothing.

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

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.

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

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.

Science is not only a disciple of reason but, also, one of romance and passion.

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

No power and no treasure can outweigh the extension of our knowledge.

Free the child's potential, and you will transform him into the world.

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

I like poems you can tack all over with a hammer and there are no hollow places.

Liberty without Learning is always in peril and Learning without Liberty is always in vain.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

God created man in His own image, says the Bible; philosophers reverse the process: they create God in theirs.