Zeus
The chief of the Greek gods, by whom Greeks swore (“by Zeus”).
A young wife learns to run the house
Xenophon, Oeconomicus (Household Management), chapters 7–9 (about 360 BCE), in the edition of E. C. Marchant (Oxford, 1900) · about 360 BCE; the exact year is not known
Τὰ δ’ ἄλλα, ἔφην ἐγώ, ὦ Ἰσχόμαχε, αὐτὸς ἐπαίδευσας τὴν γυναῖκα ὥστε ἱκανὴν εἶναι ὧν προσήκει ἐπιμελεῖσθαι; Οὐ μὰ Δί’, ἔφη ὁ Ἰσχόμαχος, οὐ πρίν γε καὶ ἔθυσα καὶ ηὐξάμην ἐμέ τε τυγχάνειν διδάσκοντα καὶ ἐκείνην μανθάνουσαν τὰ βέλτιστα ἀμφοτέροις ἡμῖν. Οὐκοῦν, ἔφην ἐγώ, καὶ ἡ γυνή σοι συνέθυε καὶ συνηύχετο ταὐτὰ ταῦτα;
And in other things, Ischomachus, I said, did you yourself train your wife to be capable of looking after what falls to her? No, by Zeus, Ischomachus said, not before I had sacrificed and prayed that I might succeed in teaching, and she in learning what is best for both of us. Then, I said, did your wife also sacrifice with you and pray for these same things?