If you go fishing you may not catch any fish. If you don't go fishing, you'll never catch any fish.

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

Necessity may be mother of invention, but fun is the father.

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

Worry is essentially a misuse of imagination.

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.

Any of us will put out more and better ideas if our efforts are appreciated.