Al-Shaykh Al-Mufid

Al-Shaykh Al-Mufid (c. 948–1022 CE), also known as Abu Abdullah Muhammad al-Harithi al-Baghdadi al-Mufid, was a 10th century Iraqi scholar and jurist.

Quotes

 * No tool is more beneficial than intelligence. No enemy is more harmful than ignorance.
 * The Book of Guidance into the Lives of the Twelve Imams, 1981, "The Life of the Commander of the Faithful" (I. K. A. Howard (tr.)).