Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.

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

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

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

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

Many much-learned men have no intelligence.

A witty saying proves nothing.

All knowledge that the world has ever received comes from the mind; the infinite library of the universe is in our own mind.

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

Seek knowledge from the cradle to the grave.

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

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

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

Study without desire spoils the memory, and it retains nothing that it takes in.

The secret of life is not enjoyment but education through experience.

Imagination is more important than knowledge.

A thought is an idea in transit.

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

What is freedom of expression? Without the freedom to offend, it ceases to exist.

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

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