Imaam Shaafi’ (Rahmatullahi alaih) said: “The position of ijma’ is greater than khabr-e-waahid.” [Ijma’ in the context of Imaam Shaafi’s statement, is the unanimity of the Sahaabah or Taabi’een on an issue, such as the ijma’ of the Sahaabah on twenty rakaats Taraaweeh Salaat. Khabr Waahid is a Hadeeth which has a single narrator in any stage of its transmission.]