Ali bin Husayn, wanda aka fi sani da Zayn al-Abidin da Imam as-Sajjad shi ne limami na huɗu a Shi'a, Musulunci . Shi ne ɗan Husayn bn Ali kuma jika ne ga Ali bin Abi Dalib . Ya tsira daga yaƙin Karbala kuma aka kai shi ga halifa a Dimashƙ . Daga qarshe, aka bashi damar komawa Madina . Rayuwarsa ta duƙufa ga koyarwar ruhaniya da ta addini, galibi ta hanyar addu'oi da roƙo. Shahararrun addu'o'insa an san shi da As-Sahifa as-Sajjadiyya . Imam Ali ibn al-Hussein (2001). The Complite Edition of the Treatise on Rights. Qum: Ansariyan Publications. p. 16. Imam Ali ubnal Husain (2009). Al-Saheefah Al-Sajjadiyyah Al-Kaamelah. Translated with an Introduction and annotation by Willian C. Chittick With a foreword by S. H. M. Jafri. Qum, The Islamic Republic of Iran: Ansariyan Publications.