Doubt: 1: Does God exist? January 28, 2018 Marcus Nodder Doubt Psalms http://stpetersbarge.org/wp-content/uploads/2018/01/2018-01-28.mp3 Save Audio Save PDF Psalm 19Many Christians have a secret they dare not talk about. The secret is that they sometimes have doubts about they believe. The good news is that you are not alone. And doubt is treatable.