Then Ya`akov said to his household, and to all who were with him, *Put away the foreign gods that are among you, purify yourselves, change your garments.
and said to them, You are the heads of the fathers' [houses] of the Levites: sanctify yourselves, both you and your brothers, that you may bring up the ark of the LORD, the God of Yisra'el, to [the place] that I have prepared for it.
No hand shall touch him, but he shall surely be stoned or shot through; whether it is animal or man, he shall not live.' When the shofar sounds long, they shall come up to the mountain.*
everything that may abide the fire, you shall make to go through the fire, and it shall be clean; nevertheless it shall be purified with the water for impurity: and all that doesn't withstand the fire you shall make to go through the water.
David answered the Kohen, and said to him, Of a truth women have been kept from us about these three days; when I came out, the vessels of the young men were holy, though it was but a common journey; how much more then today shall their vessels be holy?