Even the humblest mammal's strong sexual, parental, and social instincts give rise to 'do unto others as yourself' and 'love thy neighbor as thyself'.
Charles DarwinI am aware that the assumed instinctive belief in God has been used by many persons as an argument for his existence. The idea of a universal and beneficent Creator does not seem to arise in the mind of man, until he has been elevated by long-continued culture.
Charles DarwinI feel like an old warhorse at the sound of a trumpet when I read about the capturing of rare beetles.
Charles Darwin