Cross reference
Genesis 23:9
9 and he giveth to me the cave of Machpelah, which he hath, which `is' in the extremity of his field; for full money doth he give it to me, in your midst, for a possession of a burying-place.'
Romans 12:17
17 giving back to no one evil for evil; providing right things before all men.
Romans 13:8
8 To no one owe anything, except to love one another; for he who is loving the other -- law he hath fulfilled,