The Summa Contra Gentiles was composed by Thomas Aquinas between 1259 and 1265, in four books broadly covering teachings on God, on Creation, on Providence, and on tenets specific to Christianity. This Summa is not to be confused with his final Summa, the Summa Theologiae. The latter is specifically "theological" and directed to a Christian audience (hence Summa "Theologica"), whereas the former, as the "Contra Gentiles" indicates, is directed toward "non-Christian" thinkers. Implicitly a ...