" The radically changed behavior of the disciples after the resurrection is the best evidence of the resurrection,” declares Thomas C. Oden of Drew University. “Some hypothesis is necessary to make plausible the transformation of the disciples from grieving followers of a crucified messiah to those whose resurrection preaching turned the world upside down. That change could not have happened, according to the church’s testimony, without the risen Lord. "

― Ravi Zacharias , Who Made God?: And Answers to Over 100 Other Tough Questions of Faith