ED:
The issue here is "sound doctrine", not unsound doctrine, as you have presented !
John 14:17 ? Holy Spirit ? It says - "the Spirit of truth" !
And, if you read the context properly, you will notice that the comforter is coming in the Son's name - John 14:26 , which is Christ, "Christ IN" you the hope of glory !
Romans 8:9 - 11
9) - But ye are not in the flesh , but in the Spirit, if so be that the Spirit of(from ) God dwell in you. (That -- Spirit of God is Christ ) But if any man have not the Spirit of Christ , he is none of his"
10) - But if Christ be in you, the body is dead because of sin ; but the Spirit (Christ IN You ) is life because of righteousness"
11) - But if the Spirit of(from ) him (God) that raised up Jesus from the dead (Christ IN You )dwelleth in you, he that raised up Christ from the dead shall also quicken your motal bodies by his Spirit that dwelleth in you" (Christ IN You )
I John 4:12 - "No man hath seen God at any time. If we love one another, God dwelleth (figuratively) in us, and his love is perfected in us"
Verse 13 - "he has given us of his Spirit" (Christ IN us )
Verse 14 - "Father sent the Son"
Verse 15 - "Whosoever shall confess that Jesus Christ is the Son of God , God dwelleth in him, and he in God"
Love IN Christ - Hervey