Erhalt uns, Herr, bei deinem Wort

"Erhalt uns, Herr, bei deinem Wort" ("Keep us, Lord, faithful to your word" or "Lord, keep us in Thy Word and Work") is a Lutheran hymn by Martin Luther with additional stanzas by Justus Jonas, first published in 1542. It was used in several musical settings, including the chorale cantata by Johann Sebastian Bach, Erhalt uns, Herr, bei deinem Wort, BWV 126.