This lecture discusses key ideas from the Medieval philosopher, theologian, and Dominican friar, Thomas Aquinas, and focuses on his Summa Theologiae, Prima Pars, q. 2.

It focuses upon on his discussion in article 1 about whether God's existence (Deus esse) is "self-evident" (per se nota) or not. In the process of arguing that God's existence is not self-evident to us, he discusses the desire for human happiness, and what he takes to be the weak points of St. Anselm's ontological argument for the existence of God.

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You can find Thomas Aquinas' Summa Theologiae online here - www.newadvent.org/summa/