You can never learn less, you can only learn more.

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

The knowledge of all things is possible

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

As we acquire more knowledge, things do not become more comprehensible but more mysterious.

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

Better know nothing than half-know many things.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

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.

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

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

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

Educate the children and it won't be necessary to punish the men.

A man who has never gone to school may steal a freight car; but if he has a university education, he may steal the whole railroad.

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

I have no special talents. I am only passionately curious.

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

The whole of science is nothing more than a refinement of everyday thinking.

I do not know how to teach philosophy without becoming a disturber of the peace.

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

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