“Man is the only animal who blushes...or needs to.”
“Man is the only animal that blushes. Or needs to.”
“My sister once warned me that a man who blushed so easily was probably a Man With Appetites.”
“Man is the only animal whose desires increase as they are fed; the only animal that is never satisfied.”
“We talk of wild animals but man is the only wild animal. It is man that has broken out. All other animals are tame animals; following the rugged respectability of the tribe or type.”
“Man is the only animal that laughs and weeps; for he is the only animal that is struck with the difference between what things are, and what they ought to be.”