
Moses instructs the children of Israel:
Leviticus 20:7 Sanctify yourselves therefore, and be ye holy: for I am the LORD your God.
Peter reminds believing Jews what God commanded:
1 Peter 1:15-16 But as he which hath called you is holy, so be ye holy in all manner of conversation; Because it is written, Be ye holy; for I am holy.
Paul gives instructions on being Holy:
Romans 11:16 For if the firstfruit be holy, the lump is also holy: and if the root be holy, so are the branches.
1 Corinthians 7:34 There is difference also between a wife and a virgin. The unmarried woman careth for the things of the Lord, that she may be holy both in body and in spirit: but she that is married careth for the things of the world, how she may please her husband.
Ephesians 1:4 According as he hath chosen us in him before the foundation of the world, that we should be holy and without blame before him in love:
Ephesians 5:27 That he might present it to himself a glorious church, not having spot, or wrinkle, or any such thing; but that it should be holy and without blemish.
There’s coming a time when it will be to late:
Revelation 22:10-11 And he saith unto me, Seal not the sayings of the prophecy of this book: for the time is at hand. He that is unjust, let him be unjust still: and he which is filthy, let him be filthy still: and he that is righteous, let him be righteous still: and he that is holy, let him be holy still.

Being holy also means you set apart in how you think, act, and treat others. To be holy means to be set apart or separate from sin and evil.
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