Issues of defining methodological principles that should govern the study of spiritual states and personal traits are considered. Various scientific paradigms and principles that consider different ways of personal development are analyzed.
The ideas about spirituality, which have developed in different philosophic theories as well as various religious faiths of Christianity, Buddhism, Judaism, etc. are considered. A comparative analysis of religious traditions concerning spiritual quest and aspirations of a human being is given. The similarity of the religious understanding of man’s spiritual growth and psychological characteristics of a holistic, psychologically mature and healthy personality existing in the different theories of personality.