If St Symeon is called 'the New Theologian', this means that he is to be ranked with the other two as a faithful witness to the continuing tradition of inner prayer.
This passage establishes Symeon the New Theologian's place within the theological tradition, the lineage in which Symeon the Studite served as personal formative elder, framing the New Theologian's mystical mission as the transmission of experiential prayer.
, The Philokalia, Volume 4, 1995thesis