10:12 Hatred. The word suggests the rejection of the good order, indeed the dissolution (cf. 1 John 3:15) of human relationships. Such hatred causes the fragmentation of society.
love. The word suggests seeking the best for others. Love is the greatest expression of ordered relationships.
covers. In order to promote harmony of relationships, love covers over those matters that cause friction. This verse is alluded to in James 5:20 and 1 Pet. 4:8.