1 tim 1.4 4¶To Titus, mine own son after the common faith : Grace, mercy, and peace, from God the Father and the Lord Jesus Christ our Saviour.
1tim 2
15But if I tarry long, that thou mayest know how thou oughtest to behave thyself in the house of God, which is the church of the living God, the pillar and ground of truth .
1col
23If ye continue in the faith grounded and settled, and be not moved away from the hope of the gospel, which ye have heard, and which was preached to every creature which is under heaven; whereof I Paul am made a minister;
Phil1.27
27¶Only let your conversation be as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may hear of your affairs, that ye stand fast in one spirit, with one mind striving together for the faith of the gospel;
its probably this “Depart from the faith” (vs. 1). This is the faith as a body of revealed truth,