Hadith are "expressed in Muhammad's words", whereas the latter are the "direct words of God". A "hadith qudsi" need not be a "sahih" (sound hadith), but may be "da‘if" or even "mawdu‘". An example of a "hadith qudsi" is the hadith of Abu Hurairah who said that Muhammad said: When God decreed the Creation He pledged Himself by writing in His book which is laid down with Him: My mercy prevails over My wrath. In the Shia school of thought, there are two fundamental viewpoints of Hadith: The Akhbari view and the Usuli view. The Usuli scholars stress the importance of
Hadith terminology "musnad" ( meaning "supported") "hadith" as: A "musnad hadith" should not be confused with the type of "hadith" collection similarly termed "musannaf", which is arranged according to the name of the companion narrating each "hadith". For example, a "musnad" might begin by listing a number of the "hadith", complete with their respective "sanads", of Abu Bakr, and then listing a number of "hadith" from Umar, and then Uthman ibn Affan and so on. Individual compilers of this type of collection may vary in their method of arranging those Companions whose "hadith" they were collecting. An example of this type of