Does modern man need faith? “In our time, it is generally accepted that such light could have been enough for ancient society, but it will not help in modern times a person who has matured, is proud of his intelligence, and wants to explore the future in a new way,” writes the pontiff. And he makes a bold attempt to prove: faith does not contradict reason, faith benefits science, faith does not slow down, but ensures the progress of human society. Benedict XVI polemicizes with Nietzsche and Rousseau, quoting not only scriptures, but Dostoevsky, Martin Buber, Dante. The brilliant work of the Pope-scientist, which saw the light of day after his abdication.