Progressive evolution: aspirational thinking.
Gee
Henry
H
D000717:Anatomy, Comparative / Q000266:history; D000818:Animals; D005075:Biological Evolution; D005858:Germany; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D015186:Hominidae / Q000502:physiology; D006801:Humans; D010684:Philosophy / Q000266:history*; D012641:Selection, Genetic