The book of the famous Russian philosopher I.A. Ilyin includes one of the most outstanding works - the result of the writer’s entire life - “Axioms of Religious Experience”, in which simple examples show the possible spiritual paths of a person to God, as well as the famous study “Fundamentals Christian culture." The author, from the perspective of Orthodox Christianity, examines almost all variants of a person’s religious experiences, taking into account his psychological characteristics, upbringing, lifestyle and life values, shows the evolution of mental turmoil on the path to faith and at the same time gives examples from other religions.