“The difference between children and adults is that they're shorter - not dumber.”

“People think, Hey, I love kids, I want to write children’s books. But they think children are happy. That’s their first mistake. [Messinger, Jonathan. "Guilt for dinner: The Mo Willems interview." Hipsqueak. 5 May 2011. Web. 18 November 2011.]”

“And the moral for Dinosaurs is: Lock the Back Door!”

“The first bowl of chocolate pudding was too hot, but Goldilocks ate it all anyway because, hey, it's chocolate pudding, right?”

“My favorite book is my next one. I’m always hoping to make my next book my best one.”

“Aggle flabble kabble . . . snurp?”

“I bet your mom would let me." -Pigeon, Don't Let the Pigeon Drive the Bus-”