Al-Hallaj, born in 858 CE, was a Persian mystic and poet known for his profound spiritual insights. He is best recognized for his famous declaration, "I am the Truth" (Ana al-Haqq), which sparked controversy among religious scholars. His teachings emphasized the importance of direct experience of the divine, challenging traditional Islamic beliefs. His life was marked by conflict with authorities, leading to his execution in 922 CE. Al-Hallaj's legacy continues to influence Sufism, a mystical branch of Islam, and he is celebrated for his poetic works that explore themes of love, unity, and the nature of God.