The CCC declares: 'The existence of the spiritual, non-corporeal beings that Sacred Scripture usually calls 'angels' is a truth of faith. Rejection of Satan and baptismal renewal 3. Montfort's Explanation of Pure Spirits: 1. Fallen angels in the culture of seventeenth-century Europe 2. Demons in the Life of Saint Louis de Montfort: 1. Angels in the Life of Saint Louis Marie: 1.