The aim for this paper is to study how mystics can be seen as religious psychologists. It does so by describing and comparing Thomas Merton (1915–1968) and Ramana Maharshi (1879–1950), two mystics from the western-Christian respectively the eastern-Hindu faith. The essay focuses on the mystics understanding about three notions. These are (1) the self, (2) self-realization and (3) the ultimate reality. It does so through the eyes of another 20th century soul searcher: Carl G Jung. The theory that's used is Jungian psychology and is meant to facilitate a tool for describing the mystics' understanding about the notions. It brings the purpose to explain the mystics teachings about the soul, which is the literate meaning of the word ‘psychology’...