In one way and another St Thomas is saying: 'no God, no world; world, therefore God'.
(J. J. Haldane, "Atheism and Theism," chap. 2 in Atheism and Theism, 2d ed., by J. J. C. Smart and J. J. Haldane, Great Debates in Philosophy, ed. Ernest Sosa [Malden, MA: Blackwell Publishing, 2003], 76-150, at 122)