'O God' in the Bible

Gideon said to God, "If you really intend to use me to deliver Israel, as you promised, then give me a sign as proof.

Gideon said to God, "Please do not get angry at me, when I ask for just one more sign. Please allow me one more test with the fleece. This time make only the fleece dry, while the ground around it is covered with dew."

Look, you will conceive and have a son. You must never cut his hair, for the child will be dedicated to God from birth. He will begin to deliver Israel from the power of the Philistines."

He said to me, 'Look, you will conceive and have a son. So now, do not drink wine or beer and do not eat any food that will make you ritually unclean. For the child will be dedicated to God from birth till the day he dies.'"

So God split open the basin at Lehi and water flowed out from it. When he took a drink, his strength was restored and he revived. For this reason he named the spring En Hakkore. It remains in Lehi to this very day.

Finally he told her his secret. He said to her, "My hair has never been cut, for I have been dedicated to God from the time I was conceived. If my head were shaved, my strength would leave me; I would become weak, and be just like all other men."

Samson called to the Lord, "O Master, Lord, remember me! Strengthen me just one more time, O God, so I can get swift revenge against the Philistines for my two eyes!"