γνωμοτυπεῖν
From LSJ
πᾶς ὁ ὑψῶν ἑαυτὸν ταπεινωθήσεται καὶ ὁ ταπεινῶν ἑαυτὸν ὑψωθήσεται → for everyone who exalts himself will be humbled, and he who humbles himself will be exalted (Luke 14:11)
Greek > English (Woodhouse Verbs Reversed)
(see also: γνωμοτυπέω, γνωμοτυπῶ) invent maxims