'O God' in the Bible

And they sung a new song, saying, Worthy art thou to take the book, and to open its seals; for thou wast slain, and hast redeemed us to God by thy blood, out of every tribe, and tongue, and people, and nation;

And she brought forth a male child, who was to rule all nations with a rod of iron: and her child was caught up unto God, and to his throne.

These are they who were not defiled with women; for they are virgins: these are they who follow the Lamb whithersoever He goeth: these were redeemed from among men, as the first-fruits unto God and the Lamb.