Theological virtues are virtues associated in Christian theology and philosophy with salvation resulting from the grace of God. Virtues are traits or qualities which dispose one to conduct oneself in a morally good manner. Traditionally they have been named Faith, Hope, and Charity (Love), and can trace their importance in Christian theology to Paul the Apostle in 1 Corinthians 13, who also pointed out that “the greatest of these is love.” The medieval Catholic philosopher Thomas Aquinas explained that these virtues are called theological virtues "because they have God for their object, both in so far as by them we are properly directed to Him, and because they are infused into our souls by God alone, as also, finally, because we come to know of them only by Divine revelation in the Sacred Scriptures". Background 1 Corinthians 13 The first mention in Christian literature of the three theological virtues is in St. Paul's first letter to the Thessalonians 1:3, "...calling to mind your work of faith and labor of love and endurance in hope..." In 1 Thessalonians 5:8, he refers to this triad of virtues again, "But since we are of the day, let us be sober, putting on the breastplate of faith and love and the helmet that is hope for salvation." In 1 Corinthians 13, Paul places the greater emphasis on Charity (Love). "So faith, hope, love remain, these three; but the greatest of these is love." First, because it informs the other two: "It bears all things, believes all things, hopes all things, endures all things." According to Augustine of Hippo, from a temporal perspective, love lasts, while "Hope isn't hope if its object is seen," and faith gives way to possession. This view is shared by Gregory of Nyssa. Aquinas Aquinas found an interconnection of practical wisdom (prudentia) and moral virtue (e.g. courage without prudence risks becoming mere foolhardiness). This is frequently termed "the Unity of the Virtues." Aquinas stated that theological virtues are so called "because they have God for their object, both in so far as by them we are properly directed to Him, and because they are infused into our souls by God alone, as also, finally, because we come to know of them only by Divine revelation in the Sacred Scriptures". In his treatment of the virtues, Aquinas viewed the theological virtues as being the product of habitual grace. According to Aquinas,