For centuries, the dialogue between Gregory Palamas and Thomas Aquinas was considered impossible for Christian theology. The spiritual and cultural separation of the Western from the Eastern Christian world made the sobriety required for such an in-depth dialogue unthinkable, replacing it with mutual polemics. This book embarks on such an innovative endeavor, seeking the truth in the thoughts of these two great theologians regarding the great issue of the participation of created beings in God. Is such participation possible?