Martin Luther (1483–1546) seminal figure in Protestant Reformation
Luthers Works, 40 p. 146 as quoted in Against the Idols: The Reformation of Worship from Erasmus to Calvin https://books.google.com/books?id=95sDFZbl4S4C&pg=PA55&source=gbs_toc_r&cad=3#v=onepage&q=Calvin&f=falseby Carlos M. N. Eire, p. 72