Another evidence of work of the Holy Spirit is continuing to believe and accept the sound teaching of the church. Those who begin to deny major doctrines of the faith give serious negative indications concerning their salvation: “No one who denies the Son has the Father. . . . If what you heard from the beginning abides in you, then you will abide in the Son and in the Father” (1 John 2:23–24). John also says, “Whoever knows God listens to us, and he who is not of God does not listen to us” (1 John 4:6).