Jeremiah 33:18-20

New Revised Standard Version, Anglicised

¹⁸ and the levitical priests shall never lack a man in my presence to offer burnt-offerings, to make grain-offerings, and to make sacrifices for all time.

¹⁹ The word of the Lord came to Jeremiah: ²⁰ Thus says the Lord: If any of you could break my covenant with the day and my covenant with the night, so that day and night would not come at their appointed time,