'Holy Spirit' in the Bible

And I knew Him not: but He that sent me to baptize with water, said unto me, Upon whom thou shalt see the Spirit descending and abiding on Him, the same is he that baptizeth with the Holy Spirit.

(This He spake of the Spirit, which they that believe on Him should receive; for the holy Spirit was not yet given, because Jesus was not yet glorified.)

But the comforter, that is the Holy Spirit, whom the Father will send in my name, will teach you all things, and bring to your remembrance all that I have said unto you.

And when He said this, He breathed upon them, and saith unto them, Receive ye the holy Spirit: