'O God' in the Bible

[Live] as obedient children [of God]; do not be conformed to the evil desires which governed you in your ignorance [before you knew the requirements and transforming power of the good news regarding salvation].

You [believers], like living stones, are being built up into a spiritual house for a holy and dedicated priesthood, to offer spiritual sacrifices [that are] acceptable and pleasing to God through Jesus Christ.

After all, what kind of credit is there if, when you do wrong and are punished for it, you endure it patiently? But if when you do what is right and patiently bear [undeserved] suffering, this finds favor with God.

For indeed Christ died for sins once for all, the Just and Righteous for the unjust and unrighteous [the Innocent for the guilty] so that He might bring us to God, having been put to death in the flesh, but made alive in the Spirit;

but if anyone suffers [ill-treatment] as a Christian [because of his belief], he is not to be ashamed, but is to glorify God [because he is considered worthy to suffer] in this name.