So the Gospels are just part of the ongoing basic teaching of the Church set down under inspiration. So the Church has something more basic than the Gospels, its own ongoing teaching, also protected by the Holy Spirit. But let them read the Letter of St. Ignatius of Antioch to Rome on his way to be eaten alive by the animals. I want to die for Christ. Genre approach solves many problems.
Form Criticism does so too, but is more easily abused.
Here is a good example. It did not mean Jesus thought the end was near. Form criticism shows that often passages are put together out of lines that once were independent. The electronic form of this document is copyrighted. The Catholic Resource Network is a Catholic online information and service system.