ALBERT EINSTEIN: "Did the chicken really cross the road, or did the road move beneath the chicken?"
DESCARTES: "How do we know if there ever WAS a road, or if the chicken was really crossing?"
SIGMUND FREUD: "The chicken clearly dreamed the whole thing up."
DR. SEUSS: "Did the chicken cross the road? Yes, he crossed it with a toad. What he got, so I've been told, was green and black and striped in gold."