Parallel
Deuteronomy 4:15
Rahlfs Septuagint (1935) · Berean Standard Bible
καὶ φυλάξεσθε σφόδρα τὰς ψυχὰς ὑμῶν ὅτι οὐκ εἴδετε ὁμοίωμα ἐν τῇ ἡμέρᾳ ᾗ ἐλάλησεν κύριος πρὸς ὑμᾶς ἐν Χωρηβ ἐν τῷ ὄρει ἐκ μέσου τοῦ πυρός
So since you saw no form of any kind on the day the LORD spoke to you out of the fire at Horeb, be careful