And thou shalt say to them, This is the offering made by fire which ye shall offer to the LORD; two lambs of the first year without spot day by day, for a continual burnt-offering.

He shall purify himself with it on the third day, and on the seventh day he shall be clean: but if he shall not purify himself the third day, then the seventh day he shall not be clean.

And the clean person shall sprinkle upon the unclean on the third day, and on the seventh day: and on the seventh day he shall purify himself, and wash his clothes, and bathe himself in water, and shall be clean at evening.

But if her husband altogether holds his peace at her from day to day; then he establisheth all her vows, or all her bonds, which are upon her: he confirmeth them, because he held his peace at her in the day that he heard them.

And do ye abide without the camp seven days: whoever hath killed any person, and whoever hath touched any slain, purify both yourselves and your captives on the third day, and on the seventh day.