Each of us has an Aladdin's Lamp which psychologists call creative imagination.
Imagination is the cornerstone of human endeavor.
If you go fishing you may not catch any fish. If you don't go fishing, you'll never catch any fish.
Worry is essentially a misuse of imagination.
It is easier to tone down a wild idea than to think up a new one.
Reading supplies bread for imagination to feed on and bones for it to chew on.