Parallel
Deuteronomy 8:19
Brenton's English Septuagint · Berean Standard Bible
And it shall come to pass if thou do at all forget the Lord thy God, and shouldest go after other gods, and serve them, and worship them, I call heaven and earth to witness against you this day, that ye shall surely perish.
If you ever forget the LORD your God and go after other gods to worship and bow down to them, I testify against you today that you will surely perish.