 Detachment from riches is the goal of the tenth commandment and the first <unk> ( " blessed are the poor in spirit " ) because , according to the Catechism , this precept is necessary for entrance into the Kingdom of heaven . <unk> is prohibited by the tenth commandment because it is considered to be the first step toward commission of theft , robbery and fraud ; these lead to violence and injustice . The Church defines covetousness as a " disordered desire " that can take different forms : 
