The Meaning of Human History

abstract actual American Revolution ancient animals Aristotle Ashley Montagu assertion Averroist biologic biological inheritance body causal causal relation cause century certainly civilization climate conception connected conservatism course culture deal definite deny depends determine disease doctrine earth economic elements empirical environment ethical existence explain fact factors Felix Adler forces geographic Greek happened Hegel Hippocrates historian history of science human affairs human events human history ideal ideas ignore important individual influence institutions intellectual interest involves knowledge labor laws liberal limited living logical man's mathematical matter means medicine ment mind modern moral nations natural science necessary objective observation organic outer limits Padua past period Petrarch phenomena philosophy of history physical physiologic Plato political population possible problem progress purely question race realm recognize regard relatively result scientific significance social Socrates theory things thought tion tradition true truth understand writing