Though initially mocked as a thickie ('Dumb Ox'), he became enormously influential throughout the western church during his lifetime and subsequently a major shaping influence throughout the Catholic tradition. This was because of the sheer persuasive power of how he interprets and explains the Christian faith and moral sense, in a rationally coherent and consistent way. To do this, he draws extensively on the pre-Christian philosophy of Aristotle, Plato and the Stoics, which he combined with earlier theological and Biblical thinking.
