You shall not pollute the land in which you live, for blood pollutes the land, and no atonement can be made for the land for the blood that is shed in it, except by the blood of the one who shed it.
33. So ye shall not pollute the land. In this concluding sentence, He again reminds them that, unless they should exercise severe justice against murderers, they would be guilty of sin against God; because the land stained with human blood is polluted, and lying under His curse, until expiation has been made.
So ye shall not pollute the land wherein ye are,.... The land of Canaan, as it had been by the old inhabitants of it, by idolatry, adultery, and murder: for blood it defileth the land: the shedding of innocent blood defiles a nation, and the inhabitants of it, brings guilt thereon, and subjects to punishment: and the land cannot be cleansed of the blood that...
So ye shall not pollute the land wherein ye [are]: for blood it defileth the land: and the land cannot be cleansed of the blood that is shed therein, but by the blood of him that shed it. (n) So God is mindful of the blood wrongfully shed, that he makes his dumb creatures demand vengeance of it.