'Be Clean' in the Bible

And this do unto them when thou cleansest them: sprinkle water of purifying upon them and make a razor to run along upon all the flesh of them, and let them wash their clothes, and then they shall be clean.

But if a man be clean and not let in a journey, and yet was negligent to offer Passover, the same soul shall perish from his people, because he brought not an offering unto the LORD in his due season: and he shall bear his sin.

And he shall purify himself with the ashes the third day and then he shall be clean the seventh day. And if he purify not himself the third day, then the seventh day, he shall not be clean.

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

"'And see that ye pollute not the land which ye are in, for blood defileth the land. And the land can none otherwise be cleansed of the blood that is shed therein, but by the blood of it that shed it.