Why the Gospel have to be written

Why the Gospel have to be written (reason)

1. The delay of the Parousia.
2. To Preservation. To preserve the tradition of Jesus:

The early church would not live on its memory alone, as long as the believers could appeal to the eye-witness or apostles when there were important questions to be answer but the death of the apostles or ey witness warranted to fixed written document.

3. Lithurgical: The very form of Christian worship encourage the production of Christian literature. The necessity of written gospel or the Christian worship was derived from the Synagogue worship practices, they were liturgical and were intended for corporate worship.
4. Missional or Mission of the Church:

The mission of the church necessitate the production of the gospels and other NT groups.

5. Instructional:

It was for catechism or instruction. There was necessitate for collection of teaching of Jesus for Catechical purposes as new members were added to the church.

6. Apologetic and Polemics purposes:

As the church grew there was also the need for an official gospel a practical necessity as numbers of heresies appeared. It was a defense against the forces within and outside the church.

7. Persecution:

They have to be written in the context of persecution within and outside (Judaism and Roman Empire). To prove the innocence of Christianity and as a source of encouragement.