'Holy Spirit' in the Bible

The circumstances of the birth of Jesus Christ were these. After his mother Mary was betrothed to Joseph, before they were united in marriage, she was found to be with child through the Holy Spirit.

But while he was contemplating this step, an angel of the Lord appeared to him in a dream and said, "Joseph, son of David, do not be afraid to bring home your wife Mary, for she is with child through the Holy Spirit.

I indeed am baptizing you in water on a profession of repentance; but He who is coming after me is mightier than I: His sandals I am not worthy to carry for a moment; He will baptize you in the Holy Spirit and in fire.

This is why I tell you that men may find forgiveness for every other sin and impious word, but that for impious speaking against the Holy Spirit they shall find no forgiveness.

And whoever shall speak against the Son of Man may obtain forgiveness; but whoever speaks against the Holy Spirit, neither in this nor in the coming age shall he obtain forgiveness."

Go therefore and make disciples of all the nations; baptize them into the name of the Father, and of the Son, and of the Holy Spirit;