I have not had the privilege of reading the whole book as I have regarded Karl Rahner much too difficult. Over the past year or two I have come across his writings in small doses and I can't believe the simplicity of his writing - especially from this book which was published about a year before he died. He was 80 when he died and I am close to 76 so maybe now is the time for me to read it. I did not give it five stars because I haven't read the whole book but what I have read so far would get the five stars!! Deo Gratias!