Things weren’t yet at a point where this caused problems, but when Luther read the theses that Karlstadt had written on the subject of the vows of monks and priests, he quickly discovered a fly in the ointment. Luther said in an August 3 letter to Melanchthon that he was bothered by some sloppy biblical exegesis that Karlstadt had used to make his argument against monkish vows: I highly approve of his effort
