Our descent, then, is the origin of our evil passions!! The devil under form of Baboon is our grandfather.
Charles DarwinThe love of a dog for his master is notorious; in the agony of death he has been known to caress his master, and everyone has heard of the dog suffering under vivisection, who licked the hand of the operator; this man, unless he had a heart of stone, must have felt remorse to the last hour of his life.
Charles Darwin