Most of the vices and mortal sins condemned today correspond to inclinations that were purely adaptive or at least harmless in primitive man.

Before the outbreak of World War II he joined the National Socialist Party many of whose views he shared. In nature these mechanisms tend towards a 'stable state' among the living beings of an ecology:
"A closer examination shows that these beings. Famed psycho-anatomist Ralph Greenson and Sir Peter Scott were good friends.

Konrad Zacharias Lorenz (7 November 1903 – 27 February 1989) was an Austrian zoologist ethologist and ornithologist. Lorenz studied instinctive behavior in animals especially in greylag geese and jackdaws. Working with geese he rediscovered the principle of imprinting (originally described by Douglas Spalding in the 19th century) in the behavior of nidifugous birds.