This chorale survives without text. The text that appears here is the one provided by editors of the Bach Gesellschaft Ausgabe (BGA).
Speculation regarding liturgical occasion: According to Smend, this chorale probably came from the lost Markus–Passion (BWV 247), possibly serving as the 13th movement with the 1st verse of Wenn mein Stündlein vorhanden ist. (See NBA III/2.1 KB, p.78 or III/2.2 KB, p.320.)