via here
"It wasn't a hat I had drawn. It was a boa constrictor digesting an elephant."
"Next, I decided to draw the inside of the snake, so that adults would be able to understand it as well. They always need explanations."
From the lovely classic Le Petit Prince, written by Antoine de Saint-Exupéry in 1943. It is one of those books that are beautiful both for children and adults.