Knowledge is invariably a matter of degree: you cannot put your finger upon even the simplest datum and say this we know.

Knowledge slowly builds up what Ignorance in an hour pulls down.

The profession of film director can and should be such a high and precious one; that no man aspiring to it can disregard any knowledge that will make him a better film director or human being.

There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there.

The true sign of intelligence is not knowledge but imagination.

The only source of knowledge is experience.

Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.

Information is not knowledge.

Imagination is more important than knowledge.

The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.

Knowledge of what is does not open the door directly to what should be.

It is the supreme art of the teacher to awaken joy in creative expression and knowledge.

Knowledge has outstripped character development, and the young today are given an education rather than an upbringing.

To help, to continually help and share, that is the sum of all knowledge; that is the meaning of art.

Sane judgment abhors nothing so much as a picture perpetrated with no technical knowledge, although with plenty of care and diligence.