Aquinas in Suma Theologica (II-II, Q.20, A.4) argues that sloth leads to despair. I will briefly explore how sloth might lead to despair, using Rebecca DeYoung’s reinterpretation on the nature of sloth in her book Glittering Vices (Brazos Press, 2009). Young briefly challenges the popular notion of understanding sloth as mere laziness. She argues that the modern concept of ‘sloth’ has departed significantly from the spiritual roots with which it had connections (p. 82). Young’s aim is to retrieve the Christian notion of sloth and clarify the misunderstandings around this concept. Young clings to Aquinas, who is in the middle …