Saint Isaac of Nineveh, also known as Isaac the Syrian, was a 7th-century Christian monk and theologian. He is revered in both the Eastern Orthodox and Oriental Orthodox traditions for his profound spiritual writings and teachings on asceticism. His works emphasize the importance of love, compassion, and the inner life of prayer. Born in Nineveh, in present-day Iraq, Isaac later became a hermit in the desert of Assyria. His writings, particularly the "Ascetical Homilies," focus on the transformative power of God's love and the necessity of humility in the spiritual journey. He is celebrated for his deep insights into the nature of God and the human soul.