he told of how lust and excessive sexual appetites was met by chastity and the purity of soul ; of how gluttony and over-indulgence was opposed by abstinence and self-control of desire ; of how greed and the sin of gathering excess is counter met with liberality and generosity ; of how sloth and idleness is opposed by diligence and industry in life ; of how wrath and unchecked rage is opposite to patience and the ability to forbear and endure ; of how envy and the spite of what others have is met by kindness and charity to and of others ; and finally the worst sin : pride , the sin present in all other sins , the vanity and arrogance , and how this is met by humility and acts of selflessness .