The Summa Theologica is a classic work of Christian theology written by St. Thomas Aquinas in the 13th century. It is a comprehensive summary of Christian theology, covering topics such as the nature of God, the purpose of human life, the nature of sin, and the
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The Summa Theologiae or Summa Theologica, often referred to simply as the Summa, is the best-known work of Thomas Aquinas (1225–1274), a scholastic theologian and Doctor of the Church. It is a compendium of all of the main theological teachings of the Catholic Church. Presenting the reasoning for almost all points of Christian theology in the West, topics of the Summa follow the following cycle: God; Creation, Man; Man's purpose; Christ; the Sacraments; and back to God.