Darwin  The Origin of the Species and The Descent of Man (circa 1860)

Terms and Ideas

Evolution, the survival of the fittest, natural selection, Social Darwinism, entropy

Marx and Engels The Manifesto of the Communist Party (circa 1850)

Terms and Ideas

Bourgeois(ie), Proletariat (ians), McDonald's, Walmart, capitalism--"naked self-interest," revolution

'Religion is the opiate of the masses.'  'The economy determines the art.'