The Gospels provide accounts of numerous things that Jesus said and did during his earthly ministry. But how did the Evangelists themselves...
Ten Deficiencies of Sola Scriptura as a Rule of Faith : The Protestant principle doesn’t pass its own test
Nowhere in the Bible does it say that the Bible alone is the sole arbiter of Truth.
The common assumption is that it was St. John the Evangelist, but some—including the current pope—give credence to another possibility.