1 John 2:20

But you have an unction from the Holy One, and know all things.

1 John 2:27

but the unction which you have received from him abides in you; and you have no need that any one should teach you, unless the same unction teaches you concerning all things, and is truth, and is no lie: and as it has taught you, you will abide in him.

2 Peter 1:21

but the holy men of God spoke, being moved by the Holy Spirit.

1 John 5:7

And it is the Spirit who testified; because the Spirit is the truth.

Jude 1:20

But you, beloved, building up yourselves on your most holy faith, praying with a holy spirit;

Revelation 2:11

Whoever has an ear, let him hear what the Spirit says to the congregations. The conqueror shall not be injured by the second death.

Treasury of Scripture Knowledge

Summary

But the Comforter, which is the Holy Ghost, whom the Father will send in my name, he shall teach you all things, and bring all things to your remembrance, whatsoever I have said unto you.

Bible References

Holy ghost

2 Peter 1:21
but the holy men of God spoke, being moved by the Holy Spirit.
1 John 5:7
And it is the Spirit who testified; because the Spirit is the truth.
Jude 1:20
But you, beloved, building up yourselves on your most holy faith, praying with a holy spirit;

He

1 John 2:20
But you have an unction from the Holy One, and know all things.
Revelation 2:11
Whoever has an ear, let him hear what the Spirit says to the congregations. The conqueror shall not be injured by the second death.