'Holy Spirit' in the Bible

And I did not recognize him, but the one who sent me to baptize with water said to me, 'The one on whom you see the Spirit descending and remaining -- this is the one who baptizes with the Holy Spirit.'

But the Advocate, the Holy Spirit, whom the Father will send in my name, will teach you everything, and will cause you to remember everything I said to you.

And after he said this, he breathed on them and said, "Receive the Holy Spirit.