He was a fervent Protestant and published, what he considered his most important work, the Plaine Discovery of the Whole Revelation of St. John (1593).
Siya ay isang maalab Protestante at nai-publish na, kung ano ang itinuturing siya ng kanyang pinaka-mahalaga sa trabaho, ang Plaine Discovery ng Buong paghahayag ng San Juan (1593).