2 Kings 17:38

You shall not forget the covenant that I have made with you; neither shall you fear other gods.

Deuteronomy 4:23

Take heed to yourselves, lest you forget the covenant of the LORD your God, which he made with you, and make you an engraved image in the form of anything which the LORD your God has forbidden you.

Deuteronomy 6:12

then beware lest you forget the LORD, who brought you forth out of the land of Egypt, out of the house of bondage.

Deuteronomy 8:14-18

then your heart be lifted up, and you forget the LORD your God, who brought you forth out of the land of Egypt, out of the house of bondage;

Treasury of Scripture Knowledge

Summary

And the covenant that I have made with you ye shall not forget; neither shall ye fear other gods.

Bible References

Ye shall not forget

Deuteronomy 4:23
Take heed to yourselves, lest you forget the covenant of the LORD your God, which he made with you, and make you an engraved image in the form of anything which the LORD your God has forbidden you.
Deuteronomy 6:12
then beware lest you forget the LORD, who brought you forth out of the land of Egypt, out of the house of bondage.
Deuteronomy 8:14
then your heart be lifted up, and you forget the LORD your God, who brought you forth out of the land of Egypt, out of the house of bondage;