Numbers 35:31-34

WEB_Strongs(i)
  31 H3947 "‘Moreover you shall take H3724 no ransom H5315 for the life H7523 of a murderer H7563 who is guilty H4191 of death; H4191 but he shall surely H4191 be put to death.
  32 H3947 "‘You shall take H3724 no ransom H5127 for him who is fled H5892 to his city H4733 of refuge, H7725 that he may come again H3427 to dwell H776 in the land, H4194 until the death H3548 of the priest.
  33 H2610 "‘So you shall not pollute H776 the land H1818 in which you are: for blood, H2610 it pollutes H776 the land; H3722 and no expiation H776 can be made for the land H1818 for the blood H8210 that is shed H1818 therein, but by the blood H8210 of him who shed it.
  34 H2930 You shall not defile H776 the land H3427 which you inhabit, H8432 in the midst of which H7931 I dwell: H3068 for I, Yahweh, H7931 dwell H8432 in H1121 the midst of the children H3478 of Israel.'"