Τὰ πάντα ῥεῖ καὶ οὐδὲν μένει → Everything flows and nothing stands still
reject: P. ἀποδοκιμάζειν, P. and V. οὐ δέχομαι, δέχεσθαι; see reject.
forbid: P. and V. οὐκ ἐᾶν, ἀπειπεῖν, Ar. and P. ἀπαγορεύειν.