'Spirit of God' in the Bible

For who among men knows the things of a man, except the spirit of the man that [is] in him? Thus also no one knows the things of God except the Spirit of God.

But the natural man does not accept the things of the Spirit of God, for they are foolishness to him, and he is not able to understand [them], because they are spiritually discerned.

Do you not know that you are God's temple and the Spirit of God dwells in you?

But she is happier if she remains thus, according to my opinion--and I think I have the Spirit of God.

Therefore I make known to you that no one speaking by the Spirit of God says, "Jesus [is] accursed," and no one is able to say "Jesus [is] Lord" except by the Holy Spirit.