I did not check the citation of Luther yesterday (just didn’t have time, and checking Luther quotes is James Swan’s calling in life—I would not wish to barge into his field of expertise!), but here is Swan’s analysis of Voris’ use of Luther.
Alpha and Omega Ministries is a Christian apologetics organization based in Phoenix, Arizona. James White, director, is a professor, having taught Greek, Systematic Theology, and various topics in the field of apologetics for numerous schools.