2 Kings 17:38

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

Deuteronomy 4:23

Take heed unto yourselves, lest ye forget the covenant of Jehovah your God, which he made with you, and make you a graven image in the form of anything which Jehovah thy God hath forbidden thee.

Deuteronomy 6:12

then beware lest thou forget Jehovah, who brought thee forth out of the land of Egypt, out of the house of bondage.

Deuteronomy 8:14-18

then thy heart be lifted up, and thou forget Jehovah thy God, who brought thee 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 unto yourselves, lest ye forget the covenant of Jehovah your God, which he made with you, and make you a graven image in the form of anything which Jehovah thy God hath forbidden thee.
Deuteronomy 6:12
then beware lest thou forget Jehovah, who brought thee forth out of the land of Egypt, out of the house of bondage.
Deuteronomy 8:14
then thy heart be lifted up, and thou forget Jehovah thy God, who brought thee forth out of the land of Egypt, out of the house of bondage;

American Standard Version Public Domain