'Holy Spirit' in the Bible

Now the birth of Jesus Christ happened this way: When his mother Mary was espoused to Joseph, before they came together, she was found to be with child of the Holy Spirit.

But while he thought on these things, behold, the angel of the Lord appeared unto him in a dream, saying, Joseph, son of David, fear not to take unto you Mary your wife: for that which is conceived in her is of the Holy Spirit.

I indeed baptize you with water unto repentance: but he that comes after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you with the Holy Spirit, and with fire:

Therefore I say unto you, All manner of sin and blasphemy shall be forgiven unto men: but the blasphemy against the Holy Spirit shall not be forgiven unto men.

And whosoever speaks a word against the Son of man, it shall be forgiven him: but whosoever speaks against the Holy Spirit, it shall not be forgiven him, neither in this world, nor in the world to come.

Go you therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Spirit: