Learning never exhausts the mind.

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

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

Opinion is the medium between knowledge and ignorance.

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

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

The only true wisdom is in knowing you know nothing.

There is nothing more awful, insulting, and depressing than banality.

It is possible to fly without motors, but not without knowledge and skill.

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

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

That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.

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

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.

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

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.

There is one quality which one must possess to win, and that is definiteness of purpose, the knowledge of what one wants, and a burning desire to possess it.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

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

Men are born ignorant, not stupid. They are made stupid by education.