Daddy, on the subject of whether or not the boys had to eat all of the dinner.

"Yes. Because we are training you to be a guru. Gurus are people who can walk on hot coals, sleep on beds of nails, and eat unidentified vegetables."

Also:

John: "I am starting a new roleplaying game, the Kitchen Sink Game. You can play any character you can think of."

Juss, without losing a beat, "Can I play Galactus?"

John: "No."