'My Covenant' in the Bible

They have turned back to the iniquities of their forefathers, who refused to hear My Words. And they went after other gods to serve them. The house of Israel and the house of Judah have broken My covenant which I made with their fathers.

So says Jehovah: If you can break My covenant of the day and My covenant of the night, and that there should not be day and night in their season,

then also may My covenant with David My servant be broken, that he should not have a son to reign on his throne, and My covenant with the Levites the priests, My ministers.

So says Jehovah: If My covenant is not with day and night, and if I have not given the ordinances of the heavens and the earth,

And I will give the men who have sinned against My covenant, who have not done the words of the covenant which they cut before Me when they cut the calf in two and passed between its parts;