If man had not been his own classifier, he would never have thought of founding a separate order for his own reception.
Charles DarwinThe moral faculties are generally and justly esteemed as of higher value than the intellectual powers.
Charles DarwinSo in regard to mental qualities, their transmission is manifest in our dogs, horses and other domestic animals. Besides special tastes and habits, general intelligence, courage, bad and good tempers. etc., are certainly transmitted.
Charles Darwin