What is now proved was once only imagined.

Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.

The progressive development of man is vitally dependent on invention.

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

Knowing is not enough; we must apply. Willing is not enough; we must do.

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

Patience is a virtue, and I'm learning patience. It's a tough lesson.

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

Human behavior flows from three main sources: desire, emotion, and knowledge

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

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

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

My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.

The man who does not read good books has no advantage over the man who can't read them.

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

Study hard what interests you the most in the most undisciplined, irreverent and original manner possible.

It is beyond a doubt that all our knowledge begins with experience.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

The ability to observe without evaluating is the highest form of intelligence.

If I have seen further it is by standing on the shoulders of Giants.

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