I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

Imagination is more important than knowledge.

The limit of man's knowledge in any subject possesses a high interest which is perhaps increased by its close neighbourhood to the realms of imagination.

Logic will get you from A to B. Imagination will take you everywhere.

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

To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.