One thing must be emphatically stated. The New Testament books did not become authoritative for the Church because they were formally included in a canonical list; on the contrary, the Church included them in her canon because she already regarded them as divinely inspired, recognizing their innate worth and generally apostolic authority, direct or indirect.
F. F. BruceThe evidence for our New Testament writings is ever so much greater than the evidence for many writings of classical authors, the authenticity of which no one dreams of questioning. And if the New Testament were a collection of secular writings, their authenticity would generally be regarded as beyond all doubt.
F. F. BruceThere is no body of ancient literature in the world which enjoys such a wealth of good textual attestation as the New Testament.
F. F. Bruce