7 Bible Verses about Adoption Should Lead To Holiness

“So come out from among unbelievers and be separate,” says the Lord,
“And do not touch what is unclean;
And I will graciously receive you and welcome you [with favor],

And I will be a Father to you,
And you will be My sons and daughters,”
Says the Lord Almighty. Cross references: 2 Corinthians 6:2 : Is 49:8 2 Corinthians 6:11 : Is 60:5; Ezek 33:22 2 Corinthians 6:16 : Ex 25:8; 29:45; Lev 26:12; Jer 31:1; Ezek 37:27 2 Corinthians 6:17 : Is 52:11 2 Corinthians 6:18 : Is 43:6; Hos 1:10 end of crossrefs

Therefore, since we have these [great and wonderful] promises, beloved, let us cleanse ourselves from everything that contaminates body and spirit, completing holiness [living a consecrated life—a life set apart for God’s purpose] in the fear of God.

so that you may prove yourselves to be blameless and guileless, innocent and uncontaminated, children of God without blemish in the midst of a [morally] crooked and [spiritually] perverted generation, among whom you are seen as bright lights [beacons shining out clearly] in the world [of darkness],

Beloved, we are [even here and] now children of God, and it is not yet made clear what we will be [after His coming]. We know that when He comes and is revealed, we will [as His children] be like Him, because we will see Him just as He is [in all His glory]. And everyone who has this hope [confidently placed] in Him purifies himself, just as He is pure (holy, undefiled, guiltless).

Depart, depart, go out from there (the lands of exile),
Touch no unclean thing;
Go out of the midst of her (Babylon), purify yourselves,
You who carry the articles of the Lord [on your journey from there].

And I heard another voice from heaven, saying, “Come out of her, my people, so that you will not be a partner in her sins and receive her plagues;

The Passover was eaten by the sons (descendants) of Israel (Jacob) who returned from exile and by all those who had separated themselves from the [ceremonial] uncleanness of the nations of the land to join them, in order to seek the Lord God of Israel.