Nicholas Cabasilas was a Byzantine priest, philosopher, and mystic who lived during the 14th century. Born in Thessaloniki, he eventually moved to Constantinople, where he was likely a priest at the Mangana Monastery. He maintained a close relationship with Emperor John VI Kantakouzenos and was a prominent supporter of Gregory Palamas and the Hesychast movement. His theological contributions remain highly regarded within the Eastern Orthodox tradition, where he is recognized as a saint.
Life and work


As a significant writer and theologian, Cabasilas produced several influential works, including his Life in Christ and a Commentary on the Divine Liturgy. His literary output also included various homilies, an encomium for Saint Theodora, and a speech against usury. He was the nephew of Neilos Kabasilas and played an active role in the intellectual and spiritual life of the Byzantine Empire.
Veneration

He is venerated as a saint in the Eastern Orthodox Church, with his feast day observed on 20 June. His theological writings have also been included in the Catholic Liturgy of the Hours. He was formally canonized in 1983, continuing his legacy as a key figure in mystical theology.
