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The unknown poet included verse 19 from the Gospel to begin the cantata , later as movement 4 the first stanza of the chorale Verzage nicht , o Häuflein klein ( 1632 ) of Jakob Fabricius , which had been attributed also to Johann Michael Altenburg , and as the closing chorale two stanzas which had appeared added to Martin Luther 's Erhalt uns , Herr , bei deinem Wort : Verleih uns Frieden gnädiglich Luther 's German version of Da pacem Domine ( Give peace , Lord , 1531 ) , and Gib unsern Fürsten und all ' r Obrigkeit ( Give our rulers and all lawgivers ) , a stanza of Johann Walter paraphrasing :2 ( 1566 ) , concluded with a final Amen .
 Johann, Martin Luther, Luther, Johann Walter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Johann, Martin Luther, Luther, Johann Walter