Goodacre notes that there is no extant copy of Q and that no early church writer makes an unambiguous reference to a document resembling the Q that modern scholars have reconstructed from the common material in Luke and Matthew [REF].
While supporters say that the discovery of the Gospel of Thomas supports the concept of a "sayings gospel", Mark Goodacre points out that Q has a narrative structure as reconstructed and is not simply a list of sayings [REF].