Parallel
Deuteronomy 29:9
Swete's Septuagint · Berean Standard Bible
καὶ φυλάξεσθε ποιεῖν πάντας τοὺς λόγους τῆς διαθήκης ταύτης, ἵνα συνῆτε πάντα ὅσα ποιήσετε.
So keep and follow the words of this covenant, that you may prosper in all you do.