Necessity is the mother of invention.

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

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

One test of the correctness of educational procedure is the happiness of the child.

Make it a rule never to give a child a book you would not read yourself.

Those who fail to learn the lessons of history are doomed to repeat them.

I cannot teach anybody anything. I can only make them think

Learning never exhausts the mind.

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

Courage, conviction and confidence.

A witty saying proves nothing.

Reading is to the mind what exercise is to the body.

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

The first principle is that you must not fool yourself and you are the easiest person to fool.

The man who is fond of books is usually a man of lofty thought, and elevated opinions.

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

If there were no bad people, there would be no good lawyers.

Science is what we have learned about how to keep from fooling ourselves.

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

To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.

The great difficulty in education is to get experience out of ideas.