Brotherly love (philosophy) one's fellow-man as a brother. The expression is taken from the Greek word Φιλαδελφία (Philadelphia = "love of brothers"), which trait distinguished the Early Christian communities. – and express the idea of Christian fellowship and fraternity. It was also important in the Essene brotherhoods, who practised brotherly love as a special virtue. Brotherly love is commanded as a universal principle in : "Thou shalt love thy neighbor as thyself," the preceding verse containing the words: "Thou shalt not hate thy brother in thine heart." This commandment of love, with the preceding sentence, "Thou shalt not avenge nor bear any grudge
The Art of Loving Fromm calls the general idea of love in contemporary Western society "" – a relationship in which each person is entirely focused on the other, to the detriment of other people around them. The current belief is that a couple should be a well-assorted team, sexually and functionally, working towards a common aim. This is in contrast with Fromm's description of true love and intimacy, which involves willful commitment directed toward a single unique individual. One cannot truly love another person if one does not love all of mankind including oneself. The book includes explorations of the theories of brotherly