The Phantom Tollbooth
"From there it's a simple matter of entering the Mountains of Ignorance, full of perilous pitfalls and ominous overtones – a land to which many venture but few return, and whose evil demons slither slowly from peak to peak in search of prey. Then an effortless climb up a two-thousand-step circular stairway without railings in a high wind at night (for in those mountains it is always night) to the Castle in the Air." (8.48)
"Ah, the open road!" exclaimed the Humbug, breathing deeply, for he now seemed happily resigned to the trip. "The spirit of adventure, the lure of the unknown, the thrill of a gallant quest. How very grand indeed." Then, pleased with himself, he folded his arms, sat back, and left it at that. (9.2)
"To be sure," said Canby; "you're on the Island of Conclusions. Make yourself at home. You're apt to be here for some time."
"But how did we get here?" asked Milo, who was still a bit puzzled by being there at all.
"You jumped, of course," explained Canby. "That's the way most everyone gets here. It's really quite simple: every time you decide something without having a good reason, you jump to Conclusions whether you like it or not. It's such an easy trip to make that I've been here hundreds of times." (13.52-54)