'O God' in the Bible

Was our father Abraham not [shown to be] justified by works [of obedience which expressed his faith] when he offered Isaac his son on the altar [as a sacrifice to God]?

And the Scripture was fulfilled which says, “Abraham believed God, and this [faith] was credited to him [by God] as righteousness and as conformity to His will,” and he was called the friend of God.

And the seed whose fruit is righteousness (spiritual maturity) is sown in peace by those who make peace [by actively encouraging goodwill between individuals].

You adulteresses [disloyal sinners—flirting with the world and breaking your vow to God]! Do you not know that being the world’s friend [that is, loving the things of the world] is being God’s enemy? So whoever chooses to be a friend of the world makes himself an enemy of God.

So submit to [the authority of] God. Resist the devil [stand firm against him] and he will flee from you.

Come close to God [with a contrite heart] and He will come close to you. Wash your hands, you sinners; and purify your [unfaithful] hearts, you double-minded [people].

Be miserable and grieve and weep [over your sin]. Let your [foolish] laughter be turned to mourning and your [reckless] joy to gloom.

Is anyone among you suffering? He must pray. Is anyone joyful? He is to sing praises [to God].

My brothers and sisters, if anyone among you strays from the truth and falls into error and [another] one turns him back [to God],