Similar quotesOf all the animals, man is the only one that lies.
Mark Twain 
Man is the only Animal that blushes. Or needs to.
Mark Twain 
We are the only animals that let our kids come back home.
Bill Cosby 
Man: An animal so lost in rapturous contemplation of what he thinks he is as to overlook what he indubitably ought to be.
Ambrose Bierce 
That all men are equal is a proposition which, at ordinary times, no sane individual has ever given his assent.
Aldous Huxley 