This book was cited by the Vatican in December 1979 as proof that Hans Kueng had `departed from the integral truth of the Catholic faith". It asks, "What is Christian truth?" How do we establish it?" How does the church"s claim of infallibility compare with its all too obvious errors?" How can we approach the future positively?" Most movingly of all, in a personal postscript after his condemnation, Hans Kueng explains, Why I Remain a Catholic.