Rabbits have no important thoughts. Their brains are quite smooth and unwrinkled, from lack of mental exercise. They do not even try. Our brains are full of contortions and convolutions, showing that we have made an effort at least.
~ Will Cuppy, How to Attract the Wombat
I feel as though I’ve spent the whole summer munching carrots, my brain as smooth and uncomplicated as the cloudless sky. Each falling leaf presents a challenge.