CALVIN: Well. I’ve decided I do believe in Santa Claus, no matter how preposterous he sounds.
HOBBES: What convinced you?
CALVIN: A simple risk analysis. I want presents. Lots of presents. Why risk not getting them over a matter of belief? Heck, I’ll believe anything they want.
HOBBES: How cynically enterprising of you.
CALVIN: It’s the spirit of Christmas.