'O God' in the Bible

So a second time they called the man who had been blind, and said to him, “Give glory to God; we know that this man is a sinner.”

Jesus, knowing that the Father had given all things into His hands, and that He had come forth from God and was going back to God,

They will make you outcasts from the synagogue, but an hour is coming for everyone who kills you to think that he is offering service to God.