686. It is the Lord's mercy - that is, His love towards the whole of heaven and towards the whole human race - thus it is the Lord alone, that organizes every single thing into communities. It is the same mercy which gives birth to conjugial love, and from this to the love of parents towards children, which loves are the basic and prime loves. From these stem all other kinds of love existing in unending variety which are ordered quite distinctly and separately into communities.