67. Since natural loves spring from spiritual ones, and spiritual loves from celestial ones, we can say that conjugial love is the foundation of all spiritual and celestial loves, and consequently natural ones. Natural loves relate to self-love and love of the world; spiritual loves, however, to love towards the neighbour, and celestial loves to love to the Lord. This being the relationship between these loves, the order in which they follow, and in which they are present in a person, is obvious. When arranged in that order, natural loves derive their life from spiritual ones, spiritual loves from celestial ones, and so all in this sequence from their source, the Lord.