It does? It says Scripture is “sufficient”? Where?
Indeed.
Did you know that there were over hundreds of different manuscripts/texts that were “in circulation” that spoke about the life of Christ and the early Christians? It wasn’t until the Catholic Church, in the 4th century, codified this book and told you that the Gospel of Thomas was not inspired and that the Gospel of Mark was.
See this list of the many early “Christian” writings that were considered:
30-60 Passion Narrative
40-80 Lost Sayings Gospel Q
50-60 1 Thessalonians
50-60 Philippians
50-60 Galatians
50-60 1 Corinthians
50-60 2 Corinthians
50-60 Romans
50-60 Philemon
50-80 Colossians
50-90 Signs Gospel
50-95 Book of Hebrews
50-120 Didache
50-140 Gospel of Thomas
50-140 Oxyrhynchus 1224 Gospel
50-200 Sophia of Jesus Christ
65-80 Gospel of Mark
70-100 Epistle of James
70-120 Egerton Gospel
70-160 Gospel of Peter
70-160 Secret Mark
70-200 Fayyum Fragment
70-200 Testaments of the Twelve Patriarchs
73-200 Mara Bar Serapion
80-100 2 Thessalonians
80-100 Ephesians
80-100 Gospel of Matthew
80-110 1 Peter
80-120 Epistle of Barnabas
80-130 Gospel of Luke
80-130 Acts of the Apostles
80-140 1 Clement
80-150 Gospel of the Egyptians
80-150 Gospel of the Hebrews
80-250 Christian Sibyllines
90-95 Apocalypse of John
90-120 Gospel of John
90-120 1 John
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