2 Kings 17:38

The covenant that I have {made} with you, you shall not forget, and you shall not fear other gods.

Deuteronomy 4:23

Watch [out] for yourselves so that you do not forget the covenant of Yahweh your God that he had {made} with you and make for yourselves a divine image [of] the form of anything that Yahweh your God {has forbidden},

Deuteronomy 6:12

then take care for yourself, so that you [do] not forget Yahweh, who brought you out from the land of Egypt from the house of slavery.

Deuteronomy 8:14-18

then your heart {becomes proud} and you forget Yahweh your God, {the one who brought you out} from the land of Egypt, from the house of slavery,

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
Watch [out] for yourselves so that you do not forget the covenant of Yahweh your God that he had {made} with you and make for yourselves a divine image [of] the form of anything that Yahweh your God {has forbidden},
Deuteronomy 6:12
then take care for yourself, so that you [do] not forget Yahweh, who brought you out from the land of Egypt from the house of slavery.
Deuteronomy 8:14
then your heart {becomes proud} and you forget Yahweh your God, {the one who brought you out} from the land of Egypt, from the house of slavery,