Imagination is the cornerstone of human endeavor.

It's much easier to tame a wild idea than invigorate one that has no life in the first place.

Most ideas are step-by-step children of other ideas.

Often when economic pressure is lifted, a man must pump back into himself a feeling of must.

Imagination is vital to precautionary judgement.

Whatever creative success I gained was due to my belief that creative power can be stepped up by effort, and that there are ways in which we can guide our creative thinking.

Imagination is the cornerstone of human endeavor.