Well! I've often seen a cat without a grin,' thought Alice 'but a grin without a cat! It's the most curious thing i ever saw in my life! - Lewis Carroll

"I always thought they were fabulous monsters!" said the Unicorn. "Is it alive?"
"It can talk," said Haigha, solemnly.
The Unicorn looked dreamily at Alice, and said, "Talk, child."
Alice could not help her lips curling up into a smile as she began: "Do you know, I always thought Unicorns were fabulous monsters, too! I never saw one alive before!"
"Well, now that we have seen each other," said the Unicorn, "if you'll believe in me, I'll believe in you. Is that a bargain?"

Alice: I simply must get through!
Doorknob: Sorry, you're much too big. Simply impassible.
Alice: You mean impossible?
Doorknob: No, impassible. Nothing's impossible.

It'll be no use their putting their heads down and saying, 'Come up again, dear!' I shall only look up and say, 'Who am I, then? Tell me that first, and then, if I like being that person, I'll come up — if not, I'll stay down here till I'm somebody else' — but, oh, dear!