'O God' in the Bible

and He made us a kingdom, priests unto God even his Father; to him be glory and dominion unto the ages of the ages; amen.

And they sing a new song, saying, Thou art worthy to receive the book, and to open its seals: because thou wast slain, and didst with thy blood redeem unto God out of every tribe, and tongue, and people, and nation;

And she brought forth a male son, who is about to shepherdize all the nations with an iron rod: and her child was caught up to God, and to his throne.

These are they who have not been defiled with women; for they are virgins. These are they who follow the Lamb whithersoever he may go. They have been redeemed from men, the first fruit unto God and the Lamb.