The seven deadly sins, also known as the capital vices or cardinal sins, is a classification of vices (part of Christian ethics) that has been used since early Christian times to educate and instruct Christians concerning fallen humanity's tendency to sin. In the currently recognized version, the sins are usually given as wrath, greed, sloth, pride, lust, envy, and gluttony. The Catholic Church divides sin into two categories: venial sins, in which guilt is relatively minor, and the more severe mortal sins. Theologically, a mortal or deadly sin is believed to destroy the life of grace ...

The Peter Principle is a proposition that states that the members of an organization where promotion is based on achievement, success, and merit will eventually be promoted beyond their level of ability. The principle is commonly phrased, "Employees tend to rise to their level of incompetence." In more formal parlance, the effect could be stated as: employees tend to be given increasing responsibility and authority until they cannot continue to work competently. It was formulated by Laurence J. Peter and Raymond Hull in their 1969 book The Peter Principle, a humorous treatise, which also i...