Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Abul-Hasan Muhammad ibn Al-Husayn Al-Musawi known in Arabic as al-Sharif al-Radi or in Persian Sharif Razi or Seyyed Razi (~930-977 CE) was a Shi''ite Muslim scholar and poet who was born in Baghdad. He wrote several books on Islamic issues and interpretation of the Koran. His most famous book is Nahj al-Balaghah which is a collection of Imam Ali''s sayings and speeches. He founded a school named Dar ul-''Ilm, literally "House of knowledge") in which he trained many students some of whom became themselves later professors.