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.

Imagination is more important than knowledge.

The true sign of intelligence is not knowledge but imagination.

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.

Expert knowledge is limited knowledge.

No technical knowledge can outweigh knowledge of the humanities.