Let everything you do be done for God, both deeds and words; and refer all that is yours to Christ; and constantly turn your soul to God; and lean yo… - Clement of Alexandria

Take care never to speak what you have not weighed and pondered beforehand; nor interject your own words on the spur of the moment and in the midst of another’s; for you must listen and converse in turn, with set times for speech and for silence.

Οἱ μὲν τοὺς ἐγκωμιαστικοὺς λόγους τοῖς πλουσίοις δωροφοροῦντες ... ἀσεβεῖς μέν, ὅτι παρέντες αἰνεῖν καὶ δοξάζειν τὸν μόνον τέλειον καὶ ἀγαθὸν θεόν, ἐξ οὗ τὰ πάντα καὶ δι᾿ οὗ τὰ πάντα καὶ εἰς ὃν τὰ πάντα, περιάπτουσι τούτου τὸ γέρας ἀνθρώποις ἐν ἀσώτῳ καὶ βορβορώδει βίῳ κυλινδουμένοις καὶ τὸ κεφάλαιον ὑποκειμένοις τῇ κρίσει τοῦ θεοῦ.

We shall not err in alleging that all things necessary and profitable for life came to us from God, and that philosophy more especially was given to the Greeks, as a covenant peculiar to them, being, as it were, a stepping stone to the philosophy which is according to Christ.