Imagination is more important than knowledge.

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

If you can't explain it simply, you don't understand it well enough.

Real learning comes about when the competitive spirit has ceased.

Knowledge becomes evil if the aim be not virtuous.

The most important part of teaching is to teach what it is to know.

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

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

The progressive development of man is vitally dependent on invention.

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

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

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

Don't learn to do, but learn in doing.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

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

Opinion is the medium between knowledge and ignorance.

Books are for people who wish they were somewhere else.

Real knowledge is to know the extent of one's ignorance.

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

In order to stave off covetouness, greed, and spite, citizens world over must be educated.

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