It is about this body of teaching that the apostles wrote to the early Christians. This doctrine was given by God for the instruction, moral guidance, and nurture of God’s people. The apostles therefore say they are writing to “remind” the churches of this doctrine, that they are to “recall” it, to “stand firm” in it, to “follow” it, or, in Hebrews, not to “drift” from it. This, the apostles say, is what they “delivered” to the church. This is what has been “entrusted” to the church.
David Wells, The Courage to Be Protestant, 228-229.