You get ideas from daydreaming. You get ideas from being bored. You get ideas all the time. The only difference between writers and other people is we notice when we're doing it.
Neil GaimanRichard began to understand darkness: darkness as something solid and real, so much more than a simple absence of light. He felt it touch his skin, questing, moving, exploring: gliding through his mind. It slipped into his lungs, behind his eyes, into his mouth.
Neil GaimanOn the first day Coraline's family moved in, Miss Spink and Miss Forcible made a point of telling Coraline how dangerous the well was, and they warned her to be sure she kept away from it. So Coraline set off to explore for it, so that she knew where it was, to keep away from it properly.
Neil Gaiman