Doubt vs Certainty Home › Forums › Faith and Doubt › Doubt vs Certainty This topic contains 0 replies, has 1 voice, and was last updated by firstname.lastname@example.org 2 years, 2 months ago. Author Posts September 25, 2016 at 12:20 pm #919 email@example.comKeymaster Can doubt and faith coexist? What leads to certainty? Is doubt a sin? Grace and empathy welcome. Stories & Testimonies welcome. Author Posts You must be logged in to reply to this topic.