'Consecrate Yourselves' in the Bible

He said to them, “Hear me, Levites. Consecrate yourselves now and consecrate the temple of Yahweh, the God of your ancestors. Remove everything impure from the holy place.

"Pay attention to me, you descendants of Levi! Consecrate yourselves and the Temple of the LORD God of your ancestors by taking out from the Holy Place whatever is unclean. Our ancestors have been unfaithful. They practiced what the LORD considers to be evil, abandoned him, turned their faces away from the place where the LORD resides, and turned their backs to him.

Slaughter the Passover lambs, consecrate yourselves, and make preparations for your brothers to carry out the word of the Lord through Moses.”