Corey Day Kaplan

“Sexual selection acts in a less rigorous manner than natural selection. The latter produces its effects by the life or death at all ages of the more or less successful individuals.”
― Charles Darwin, The Descent of Man

“Sympathy beyond the confines of man, that is humanity to the lower animals, seems to be one of the latest moral acquisitions. It is apparently unfelt by savages, except towards their pets. How little the old Romans knew of it is shewn by their abhorrent gladiatorial exhibitions. The very idea of humanity, as far as I could observe, was new to most of the Gauchos of the Pampas. This virtue, one of the noblest with which man is endowed, seems to arise incidentally from our sympathies becoming more tender and more widely diffused, until they are extended to all sentient beings. As”
― Charles Darwin, The Descent of Man

“ignorance more frequently begets confidence than does knowledge:”
― Charles Darwin, The Descent of Man

“Sexual selection will also be largely dominated by natural selection tending towards the general welfare of the species.”
― Charles Darwin, The Descent of Man