'O God' in the Bible

Now you are full, now you are rich, you have reigned as kings without us: and I would to God you did reign, that we also might reign with you.

But food commends us not to God: for neither, if we eat, are we the better; neither, if we eat not, are we the worse.

To them that are without law, as without law, (being not without law to God, but under the law of Christ,) that I might gain them that are without law.

But I say, that the things which the Gentiles sacrifice, they sacrifice to demons, and not to God: and I would not that you should have fellowship with demons.

Judge for yourselves: is it proper that a woman pray unto God uncovered?

For he that speaks in an unknown tongue speaks not unto men, but unto God: for no man understands him; but in the spirit he speaks mysteries.

But if there be no interpreter, let him keep silence in the church; and let him speak to himself, and to God.

Then comes the end, when he shall have delivered up the kingdom to God, even the Father; when he shall have put down all rule and all authority and power.

But thanks be to God, who gives us the victory through our Lord Jesus Christ.