Whoever denies the Son, the same doesn't have the Father. He who confesses the Son has the Father also.
      2. From the design of the apostle's writing to them. This letter is to fortify them against the deceivers of the age: "These things have I written to you concerning those that seduce you (1 John 2:26; 1 John 2:26), and therefore, if you continue not in what you have heard from the beginning, my writing and service will be in vain." We should beware lest the apostolical letters, yea, lest the whole scripture of God, should be to us insignificant and fruitless. I have written to him the great things of my law (and my gospel too), but they were counted as a strange thing,Hosea 8:12.