Forbear one another, forgive one another, clothe the naked, visit the sick, and perform all those works of mercy, which Clemens Alexandrinus calls amoris et amicitiae, impletionem et extentionem, the extent and complement of love; and that not for fear or worldly respects, but ordine ad Deum, for the love of God himself.

But Virgil is more specific "Ipsa dies alios alio dedit ordine Luna Felices operum; quintam fuge....