Hebrews 7:26

For Jesus was a very suitable head priest for us [i.e., He meets our needs very well], because He was holy, innocent, without [moral] corruption, separated from sinners and [exalted] above the heavens.

Hebrews 12:14

Actively seek to live in peace with all people. And be dedicated to God, because no one will see God without this.

1 Peter 1:15-16

but according to the Holy One, who called you [i.e., God], you people also should become holy [i.e., separated for God's service] in all your conduct,

1 Peter 2:9

But you people are especially chosen [by God]; you are a royal body of priests; you are a nation especially set apart for God's use; you are a people who belong exclusively to God, that you may express the virtues of the One who called you out of darkness [i.e., of sin and error], and into His marvelous light [i.e., righteousness and truth].

Revelation 21:27

And there will never be anything [morally] unclean allowed to enter it, nor any person who practices disgusting behavior [i.e., probably such sins as sexual perversion], or [any person] who is a liar. But the only ones [allowed there] are those [whose names are] recorded in the Lamb's book of life.

Treasury of Scripture Knowledge

Summary

And thou shalt make a plate of pure gold, and grave upon it, like the engravings of a signet, HOLINESS TO THE LORD.

Bible References

Holiness

Hebrews 7:26
For Jesus was a very suitable head priest for us [i.e., He meets our needs very well], because He was holy, innocent, without [moral] corruption, separated from sinners and [exalted] above the heavens.
Hebrews 12:14
Actively seek to live in peace with all people. And be dedicated to God, because no one will see God without this.
1 Peter 1:15
but according to the Holy One, who called you [i.e., God], you people also should become holy [i.e., separated for God's service] in all your conduct,
1 Peter 2:9
But you people are especially chosen [by God]; you are a royal body of priests; you are a nation especially set apart for God's use; you are a people who belong exclusively to God, that you may express the virtues of the One who called you out of darkness [i.e., of sin and error], and into His marvelous light [i.e., righteousness and truth].
Revelation 21:27
And there will never be anything [morally] unclean allowed to enter it, nor any person who practices disgusting behavior [i.e., probably such sins as sexual perversion], or [any person] who is a liar. But the only ones [allowed there] are those [whose names are] recorded in the Lamb's book of life.