'Holy Spirit' in the Bible

Now the birth of Jesus Christ was in this manner. When his mother Mary had been betrothed to Joseph, before they came together, she was found to be with child by the Holy Spirit.

But while he thought on these things, lo! an angel of the Lord appeared to him in a dream, saying, Joseph, son of David, fear not to take to thee Mary thy wife; for that which is conceived in her is by the Holy Spirit.

I indeed baptize you in water, for repentance; but he that cometh after me is mightier than I, whose sandals I am not worthy to bear; he will baptize you in the Holy Spirit and in fire.

And whoever speaketh a word against the Son of man, it will be forgiven him; but whoever speaketh against the Holy Spirit, it will not be forgiven him, either in this world, or in the world to come.

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