[Johannes] Brahms chose his own texts [for his German Requiem] from Luther's Bible to illustrate the Protestant conviction that man must hear and respond to God's word in man's own language, and that every believer must be free to deal with the Biblical text apart from priestly veto... For the word "German" he would gladly have substituted the word "human" because he was concerned to comment on "the primary text of human existence," finding there, as in the Bible, the universal themes of suffering and joy.
— Paul S. Minear
Christianity