After the death of the apostles, the cannon closed.
See after this point we have been equipped to do all that our Savior and Lord Jesus Christ has called us to. We are not left alone, orphans, no. We have the indwelling Holy Spirit with us always (so much better than a temp thing others claim).
16 aAll Scripture is 1inspired by God and profitable for teaching, for reproof, for correction, for 2training in righteousness;
17 so that athe man of God may be adequate, bequipped for every good work.
The Holy Spirit also leads us in truth.