People pay more attention when they think you’re up to something.

Calvin: Trick or treat! Adult: Where's your costume? What are you supposed to be? Calvin: I'm yet another resource-consuming kid in an overpopulated planet, raised to an alarming extent by Madison Avenue and Hollywood, poised with my cynical and alienated peers to take over the world when you're old and weak... Am I scary, or what?

Did you ever wonder if the person in the puddle is real, and you're just a reflection of him?

I don't think I'd have been in such a hurry to reach adulthood if I'd known the whole thing was going to be ad-libbed.

Ah, the life of a newspaper cartoonist - how I miss the groupies, drugs and trashed hotel rooms!

Happiness is being famous for your financial ability to indulge in every kind of excess.

I chose to tell the story visually, so that anyone of any age, from any country, could understand it.