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.

Dare to think for yourself.

Any sufficiently advanced technology is indistinguishable from magic.

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 direction in which education starts a man will determine his future in life

The fullness of knowledge only comes through the awareness of ignorance.

Books are as useful to a stupid person as a mirror is useful to a blind person.

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

Courage, conviction and confidence.

I decided to teach because I think that any person who studies philosophy has to be involved actively.

Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.

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

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

If help and salvation are to come, they can only come from the children, for the children are the makers of men.

Most people have never learned that one of the main aims in life is to enjoy it.

Education is an ornament for the prosperous, a refuge for the unfortunate.

When you know better you do better.

In mathematics you don't understand things. You just get used to them.

Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.

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

The reading of all good books is like conversation with the finest men of past centuries.