Teaching on the Divine Light
The distinguishing mark of Symeon's teaching is the insistence that knowledge of God is not merely intellectual but experiential. He held that all Christians should aspire to an actual, conscious encounter with God in contemplation, and he described in his own writings repeated experiences of an uncreated divine light. In the Eastern tradition the title "theologian" designates exactly this kind of God-given knowledge through prayer rather than scholarly attainment, which is why it was conferred on Symeon after his death.
Symeon also stressed the necessity of placing oneself under the guidance of an experienced spiritual father, a conviction rooted in his own relationship with Symeon the Studite. His teaching anticipated, and helped prepare the ground for, the hesychast theology that flowered in the fourteenth century, and several of his works were later included in the Philokalia.