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 variant readings about which any doubt remains among textual critics of the New Testament affect no material question of historic fact or of Christian faith and practice
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