I am reminded of a profound prayer for the church from the work of J.S. Bach. His cantata for Easter 2 (BWV 6) is based on the interaction between Christ and the disciples on the Road to Emmaus. "Stay with us, for evening falls, and the day has declined." The German text is"Bleib bei uns, denn es will Abend werden, und Der Tag hat such geneiget." The imagery of the deepening day is broadened to a consideration of the Last Times. The prayer is that "Your divine Word, the bright light, let it not be extinguished among us." "In dieser letzt'n betrubten Zeit/ Verleih uns, Herr, Bestandigkeit, (In these last troubled times/grant us Lord, perseverance). Dass wir dein Wort und Sakrament/ Rein b'halted bis an Unser End. (that we may preserve Your word and sacrament pure until our end.)