" J.B. Bury once followed Pascal in suggesting that the cause of the foundation of the Roman Empire was the length of Cleopatra’s nose: had her features not been perfectly proportioned, Mark Antony would not have been entranced; had he not been entranced he would not have allied himself with Egypt against Octavian; had he not made that alliance, the battle of Actium would not have been fought—and so on. "

― Alasdair MacIntyre , After Virtue: A Study in Moral Theory