'Holy Spirit' in the Bible

I didn't recognize him, but the one who sent me to baptize with water told me, "The person on whom you see the Spirit descending and remaining is the one who baptizes with the Holy Spirit.'

But the Helper, the Holy Spirit, whom the Father will send in my name, will teach you all things and remind you of everything that I have told you.

When he had said this, he breathed on them and told them, "Receive the Holy Spirit.