LevLv LeviticusLevitico, chaptercapitolo Book of LeviticusLibro del Levitico, chaptercapitolo 6

And the LORD spoke unto Moses, saying: Command Aaron and his sons, saying: This is the law of the burnt-offering: it is that which goeth up on its firewood upon the altar all night unto the morning; and the fire of the altar shall be kept burning thereby. Exo 29:38