'By The Spirit' in the Bible

We don't speak about these things with words taught us by human wisdom, but with words taught by the Spirit, as we explain spiritual things to spiritual people.

That is what some of you were! But you were washed, you were sanctified, you were justified in the name of our Lord Jesus the Messiah and by the Spirit of our God.

To one has been given a message of wisdom by the Spirit; to another the ability to speak with knowledge according to the same Spirit;

For the person who speaks in a foreign language is not actually speaking to people but to God. Indeed, no one understands him, because he is talking about secrets by the Spirit.