How do we counter the claims from atheists and doubters that there is no proof G-d exists, and claim the Torah was written by a bunch of little old Jewish guys. Is there a source that can provide a definitive argument that G-d exists and here is why, other than "I believe with perfect faith," etc.
1Spurious?– msh210 ♦Feb 5, 2014 at 19:30
Related: judaism.stackexchange.com/q/8231/472– Monica CellioFeb 5, 2014 at 19:30
Related to your question: youtube.com/watch?v=PEg_Oys4NkA Is there a rational basis to believe that Judaism is true? In this lecture, Lawrence Kelemen presents a rational approach to the Divine origin of Judaism. You will find out the one unique claim that Judaism makes that no other religion in history has made.– Avrohom YitzchokFeb 5, 2014 at 19:32