'O God' in the Bible

but you [Pharisees and scribes] say, ‘If a man tells his father or mother, “Whatever I have that would help you is Corban, (that is to say, already a gift to God),”’

He came back a third time and said to them, “Are you still sleeping and resting? Enough [of that]! The hour has come. Look, the Son of Man is being betrayed into the hands of sinners.