Aristotle : To actualize its potential.
George Washington : Actually it crossed the Delaware with me back in 1776. But most history books don't reveal that I bunked with a birdie during the duration.
Hamlet : Because 'tis better to suffer in the mind the slings and arrows of outrageous road maintenance than to take arms against a sea of on coming vehicles...
Malcolm X : Because it would get across that road by any means necessary.
Martin Luther King, Jr. : I envision a world where all chickens will be free to cross roads without having their motives called into question.
Martin Luther King : It had a dream.
Neil Armstrong : One small step for chickenkind, one giant leap for poultry.
Plato : For the greater good.
Richard M. Nixon : The chicken did not cross the road. I repeat, the chicken did not cross the road.
Sigmund Freud : The chicken obviously was female and obviously interpreted the pole on which the crosswalk sign was mounted as a phallic symbol of which she was envious, selbstverstaendlich.
Sisyphus : Was it pushing a rock, too?
The Sphinx : You tell me.
Hippocrates : Because of an excess of light pink gooey stuff in its pancreas.