Christianity says lust is a sin but the Greek and Roman empires celebrated it. The history of the sin of lust reveals surprising twists.

The medieval philosopher St. Thomas Aquinas said that those guilty of the sin of envy take "pleasure at another's misfortune."

The sin of gluttony isn't mentioned in the Bible, but as early as the Fourth Century those of Christian faith believed that eating too much could send you to Hell.

Simply put, the sin of sloth is the sin of the lazy. According to medieval theologians, it can doom a person to Hell.

The sin of greed is condemned in the Bible by the Tenth Commandment: "Thou Shalt Not Covet."

The sin of anger is the sin that kills. The mythic warriors of Sparta worked to overcome anger before battle. Today, neuroscientists link anger to the "amygdala."

The Italian writer Dante called the sin of pride the "Chief of All Sins" - the sin of Satan himself.