"when love comes forth in judgment"

     Stanza 4 of some paraphrases of the fourth stanza of the anonymous 5th-century (?) Advent hymn "Vox clara ecce intonat" (Analecta hymnica medii aevi 2 (1888), no. 20 on p. 35; Analecta hymnica medii aevi 51 (1908), no. 49 on p. 48-49; Walpole, Early Latin hymns (1922), no. 86 on p. 304; Millful, Hymns of the Anglo-Saxon church (2006), pp. 186-187), rendered by Edward Caswall as "Hark! An awful voice is sounding," but by others as "Hark! A thrilling voice is sounding," "Hark! A herald voice is calling," etc. (it has undergone many modifications in English since Lyra Catholica (1849)).  According to the Canterbury Dictionary of Hymnology, the Caswall translation was made from the modified Breviary text of 1632.