'O God' in the Bible

But Peter and John answered and said unto them, Whether it is right in the sight of God to hearken unto you rather than unto God, judge ye:

And they, when they heard it, lifted up their voice to God with one accord, and said, O Lord, thou that didst make the heaven and the earth and the sea, and all that in them is:

While it remained, did it not remain thine own? and after it was sold, was it not in thy power? How is it that thou hast conceived this thing in thy heart? thou has not lied unto men, but unto God.

a devout man, and one that feared God with all his house, who gave much alms to the people, and prayed to God always.

Peter therefore was kept in the prison: but prayer was made earnestly of the church unto God for him.

And when there had been much questioning, Peter rose up, and said unto them, Brethren, ye know that a good while ago God made choice among you, that by my mouth the Gentiles should hear the word of the gospel, and believe.

Wherefore my judgment is, that we trouble not them that from among the Gentiles turn to God;

But about midnight Paul and Silas were praying and singing hymns unto God, and the prisoners were listening to them;

And ye see and hear, that not alone at Ephesus, but almost throughout all Asia, this Paul hath persuaded and turned away much people, saying that they are no gods, that are made with hands:

And now I commend you to God, and to the word of his grace, which is able to build you up, and to give you the inheritance among all them that are sanctified.

to open their eyes, that they may turn from darkness to light and from the power of Satan unto God, that they may receive remission of sins and an inheritance among them that are sanctified by faith in me.

but declared both to them of Damascus first and at Jerusalem, and throughout all the country of Judaea, and also to the Gentiles, that they should repent and turn to God, doing works worthy of repentance.

And Paul'said , I would to God, that whether with little or with much, not thou only, but also all that hear me this day, might become such as I am, except these bonds.

And when he had said this, and had taken bread, he gave thanks to God in the presence of all; and he brake it, and began to eat.