Reddit has a thread of Deep Thoughts From An Under-5yo. There were too many driveway moments, and I have a bunch of work to do, so I stopped about halfway down, but this one seems very, very useful:
[-]Shrtbuspdx 615 points 2 days agoLet us know if we're missing anything, though.
My friend's kid explained The Hulk to me. She said he's a big green monster and when he needs to get things done, he turns into a scientist. Blew my mind.