Sarpi’s writings do not support the claim that he was an atheist. In fact, from an atheistic point of view, systematic skepticism can be seen as providing support of religious belief, because atheists’ position postulates certain knowledge of God’s inexistence. ...In his case the fundamental question was not the existence of God, but whether knowledge of God was obtainable by reason or by faith. His response was unequivocal: he was convinced that knowledge of divine matters was attained sola fide and he explicitly claimed that in religious matters one could not make judgments based on reason, but instead, they had to be based on affection or feeling