'O God' in the Bible

The man rose, and immediately under the eyes of all took up his mat and went out, so that they were all filled with astonishment, gave the glory to God, and said, "We never saw anything like this."

"Here are my mother and my brothers. For wherever there is one who has been obedient to God, there is my brother--my sister--and my mother."

But *you* say, 'If a man says to his father or mother, It is a Korban (that is, a thing devoted to God)

"What is Caesar's," replied Jesus, "pay to Caesar--and what is God's, pay to God." And they wondered exceedingly at Him.