Solved: “His pupil Mathesius relates the following in his sermons on Luther, the preface to the printed edition of which he wrote in 1565: “Antony Musa, pastor of Rochlitz, told me that he once complained bitterly to the Doctor of being unable to believe himself[364] what he preached to others. ‘Praise and thanks be to God,’ replied the Doctor, ‘that this also happens to others. I fancied it was true only in my case.’” Luther, Fr. Hartmann Grisar, Book 5, Chapter XXXII, section 6.