Acts 2:38. Peter said to them, “Repent, and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of sins, and you will receive the gift of the Holy Spirit."
Ephesians 6:17. Take the helmet of salvation, and the sword of the Spirit, which is the word of God.
Luke 12:10. Everyone who speaks a word against the Son of Man will be forgiven, but those who blaspheme against the Holy Spirit will not be forgiven.