Imam Ali Zayn al-Abidin was the fourth Imam in Shia Islam and the son of Imam Husayn, the grandson of Imam Ali and Fatimah, the daughter of the Prophet Muhammad. He was born in 658 CE and is known for his piety, wisdom, and devotion to God. His life was marked by the tragic events of the Battle of Karbala, where his father was martyred. After the battle, Imam Zayn al-Abidin was taken captive but later returned to Medina, where he focused on spiritual teachings and prayer. He is best known for his work, Sahifah Sajjadiyyah, a collection of supplications and prayers that emphasize ethics, spirituality, and social justice. His legacy continues to inspire millions of Muslims around the world.