Exodus 19:21

καὶ εἶπεν ὁ θεὸς πρὸς Μωυσῆν λέγων καταβὰς διαμάρτυραι τῷ λαῷ μήποτε ἐγγίσωσιν πρὸς τὸν θεὸν κατανοῆσαι καὶ πέσωσιν ἐξ αὐτῶν πλῆθος