Love does no wrong to its neighbor. Therefore love is the fulfillment of the law.
10. Love doeth no evil to a neighbor, etc. He demonstrates by the effect, that under the word love are contained those things which are taught us in all the commandments; for he who is endued with true love will never entertain the thought of injuring others. What else does the whole law forbid, but that we do no harm to our neighbor?
We are here taught a lesson of justice and charity. I. Of justice (Rom 13:7): Render therefore to all their dues, especially to magistrates, for this refers to what goes before; and likewise to all with whom we have to do. To be just is to give to all their due, to give every body his own.
Commenting on Romans 13:7-10
Love worketh no ill to his neighbour,.... That is, the man that truly loves his neighbour, will contrive no ill against him, nor do any to him; he will not injure his person, nor defile his bed, nor deprive or defraud him of his substance; or do hurt to his character, bear false testimony against him, or covet with an evil covetousness anything that is...