and the common condition (diaspora, 1:1; Babylon, 5:13), familial unity (5:12–14), and divine election (1:1; 5:13) of both the senders and recipients of the letter are emphasized. Unity, in other words, is a characteristic not only of the letter’s composition but also of the two communities who are its senders and intended recipients. Within this unified composition, elements of a broad stream of common liturgical, catechetical, and hortatory tradition of the Jesus movement have been included. The