A Compelling Defense of the Faith for Our Time Addressing the central question facing the church today—Is the Gospel true?—Dallas Willard offers an impassioned argument that Christian spiritual ideals are a reliable source of wisdom that should be granted the same authority as other intellectual disciplines such as science or philosophy. He shows how faith and reason are complementary and confronts the difficult issues of Christian pluralism (the challenge of other faiths) and how we can know God exists.