For centuries, the dialogue between Gregory Palamas and Thomas Aquinas has been considered impossible for Christian theology. The spiritual and cultural distance between the Western and Eastern Christian worlds made it unthinkable to achieve the sobriety required for such an in-depth dialogue, replacing it with mutual hostility. This book opens up to such a novel endeavor, seeking the truth of the thoughts of these two great theologians regarding the great question of the participation of created beings in God. Is such participation possible?