if ye turn away

Leviticus 26:14, 33
If, however, you fail to obey Me and to carry out all these commandments, . . .

Deuteronomy 28:15, 36, 37
If, however, you do not obey the LORD your God by carefully following all His commandments and statutes I am giving you today, all these curses will come upon you and overtake you: . . .

1 Samuel 12:25
But if you persist in doing evil, both you and your king will be swept away."

1 Chronicles 28:9
As for you, Solomon my son, know the God of your father and serve Him wholeheartedly and with a willing mind, for the LORD searches every heart and understands the intention of every thought. If you seek Him, He will be found by you; but if you forsake Him, He will reject you forever.

shall go

Deuteronomy 4:23-27
Be careful that you do not forget the covenant of the LORD your God that He made with you; do not make an idol for yourselves in the form of anything He has forbidden you. . . .

Joshua 23:15, 16
But just as every good thing the LORD your God promised you has come to pass, likewise the LORD will bring upon you the calamity He has threatened, until He has destroyed you from this good land He has given you. . . .

1 Kings 9:6, 7
But if indeed you or your sons turn away from following Me and do not keep the commandments and statutes I have set before you, and if you go off to serve and worship other gods, . . .

1 Kings 11:4-8
For when Solomon grew old, his wives turned his heart after other gods, and he was not wholeheartedly devoted to the LORD his God, as his father David had been. . . .