Why do they suppose Janus to have been twofaced and so represent him in painting and sculpture?

Is it because, as they relate, he was by birth a Greek from Perrhaebia, and, when he had crossed to Italy and had settled among the savages there, he changed both his speech and his habits? Or is it rather because he changed the people of Italy to another manner and form of life by persuading a people which had formerly made use of wild plants and lawless customs to till the soil and to live under organized government?Cf. 274 e, infra; , xix. (72 f); Athenaeus, 692 d; Lydus, , iv. 2; Macrobius, i. 7. 21, and i. 9.

Why do they sell articles for funerals in the precinct of Libitina, whom they identify with Venus?Cf., xii. (67 e); Dionysius of Halicarnassus, , iv. 15. 5; Varro, , vi. 47.

Is this also one of the philosophic devices of king Numa, that they should learn not to feel repugnance at such things nor shun them as a pollution?

Or is it rather a reminder that whatever is born must die, since one goddess presides over births and deaths? For in Delphi there is a little statue of Aphrodite of the Tomb, to which they summon the departed to come forth for the libations.