Hesiod

He is a fool who tries to withstand the stronger, for he does not get the mastery and suffers pain besides his shame.

Bring home a wife to your house when you are of the right age, while you are not far short of thirty years nor much above; this is the right age for marriage.

Neither make thy friend equal to a brother; but if thou shalt have made him so, be not the first to do him wrong.

Gossip is mischievous, light and easy to raise, but grievous to bear and hard to get rid of. No gossip ever dies away entirely, if many people voice it: it too is a kind of divinity.

The generation of the man who swears truly is better thenceforward.

The deathless gods are near among men and mark all those who oppress their fellows with crooked judgements, and reck not the anger of the gods.

Πίστεις ἄρ τοι ὁμῶς καὶ ἀπιστίαι ὤλεσαν ἄνδρας.

From whose eyelids also as they gazed dropped love.

Badness you can get easily, in quantity: the road is smooth, and it lies close by. But in front of excellence the immortal gods have put sweat, and long and steep is the way to it, and rough at first. But when you come to the top, then it is easy, even though it is hard.

And she conceived and bore to Zeus, who delights in the thunderbolt, two sons, Magnes and Macedon, rejoicing in horses, who dwell round about Pieria and Olympus.

Ἔνθα δὲ Νυκτὸς παῖδες ἐρεμνῆς οἰκί᾽ ἔχουσιν,
Ὕπνος καὶ Θάνατος, δεινοὶ θεοί

Work the work which the gods ordained for men, lest in bitter anguish of spirit you with your wife and children seek your livelihood amongst your neighbours, and they do not heed you.

Ἠδ᾽ Ἔρος, ὃς κάλλιστος ἐν ἀθανάτοισι θεοῖσι,
λυσιμελής, πάντων δὲ θεῶν πάντων τ᾽ ἀνθρώπων
δάμναται ἐν στήθεσσι νόον καὶ ἐπίφρονα βουλήν.

There was not after all a single kind of strife, but on earth there are two kinds: one of them a man might praise when he recognized her, but the other is blameworthy.

Invite the man that loves thee to a feast, but let alone thine enemy.