Seven deadly sins who identified seven or eight evil thoughts or spirits that one needed to overcome. Evagrius' pupil John Cassian, with his book "The Institutes," brought the classification to Europe, where it became fundamental to Catholic confessional practices as evident in penitential manuals, sermons like "The Parson's Tale" from Chaucer's "Canterbury Tales," and artworks like Dante's "Purgatory" (where the penitents of Mount Purgatory are depicted as being grouped and penanced according to the worst capital sin they committed). The Catholic Church used the concept of the deadly sins in order to help people curb their inclination towards evil before dire consequences and
Seven deadly sins by laziness, but by a state of depression that caused spiritual detachment. Vainglory (Latin, ) is unjustified boasting. Pope Gregory viewed it as a form of pride, so he folded "vainglory" into pride for his listing of sins. According to Thomas Aquinas, it is the progenitor of envy. The Latin term "gloria" roughly means "boasting", although its English cognate – "glory" – has come to have an exclusively positive meaning; historically, the term "vain" roughly meant "futile" (a meaning retained in the modern expression "in vain"), but by the 14th century had come to have the strong narcissistic undertones, that