Summary: God says we are to be holy as He is.
God is holy and there is nothing in Him that is unholy. God's nature is to be perfect and true, in Him we find perfection in everything that He stands for and does. He does not dwell in a place that does not stand in truth. For he is the Almighty god that sits on His throne in holiness.
From the book of Genesis to Revelation we can see that God hates anything that does not stand in holiness. The bible records this in several scriptures:
Scriptures on the holiness of God
For thus says the High and Lofty One
Who inhabits eternity, whose name is Holy:
“I dwell in the high and holy place,
With him who has a contrite and humble spirit,
To revive the spirit of the humble,
And to revive the heart of the contrite ones.
Just as He chose us in Him before the foundation of the world, that we should be holy and without blame before Him in love,
Pursue peace with all people, and holiness, without which no one will see the Lord:
Therefore, having these promises, beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, perfecting holiness in the fear of God.
Leviticus 11: 44 - 47
For I am the Lord your God. You shall therefore consecrate yourselves, and you shall be holy; for I am holy. Neither shall you defile yourselves with any creeping thing that creeps on the earth. For I am the Lord who brings you up out of the land of Egypt, to be your God. You shall therefore be holy, for I am holy.
‘This is the law [a]of the animals and the birds and every living creature that moves in the waters, and of every creature that creeps on the earth, to distinguish between the unclean and the clean, and between the animal that may be eaten and the animal that may not be eaten.’
Meaning of holiness
According to 1 Peter 1:13-25
Chosen To Live a Holy Life
Be alert and think straight. Put all your hope in how kind God will be to you when Jesus Christ appears. Behave like obedient children. Don’t let your lives be controlled by your desires, as they used to be. Always live as God’s holy people should, because God is the one who chose you, and he is holy. That’s why the Scriptures say, “I am the holy God, and you must be holy too.”
You say that God is your Father, but God doesn’t have favorites! He judges all people by what they do. So you must honor God while you live as strangers here on earth. You were rescued from the useless way of life that you learned from your ancestors. But you know that you were not rescued by such things as silver or gold that don’t last forever. You were rescued by the precious blood of Christ, that spotless and innocent lamb. Christ was chosen even before the world was created, but because of you, he did not come until these last days. And when he did come, it was to lead you to have faith in God, who raised him from death and honored him in a glorious way. That’s why you have put your faith and hope in God.
You obeyed the truth,and your souls were made pure. Now you sincerely love each other. But you must keep on loving with all your heart. Do this because God has given you new birth by his message that lives on forever. The Scriptures say,
“Humans wither like grass,
and their glory fades
like wild flowers.
Grass dries up,
and flowers fall
to the ground.
But what the Lord has said
will stand forever.”
Our good news to you is what the Lord has said.
We are all called to live a life of holiness unto the Lord, A life that is set apart to the Lord, reserved to give glory to God. It is also a life of been disciplined, a life that is focused to the Lord and lives a life of righteousness.
God chose us to be righteous - Romans 3:22 and with the help of His Spirit we can live a life of righteousness in Him. No one can live as God wants us to live without the help of the Holy Spirit. Jesus went back to the Father and sent us the Holy Spirit to be our Helper, knowing that without the Holy Spirit we would not live a life of holiness.
We are born of God and this is why we should have the nature of God in us as believers and trust that because we have God Himself living in us we can live a life of holiness, all this comes to us through faith in Him as our Father. God is faithful and He would not leave us helpless in this realm that we live in. In this day and age it is quiet difficult to live a holy life as God as said but in having help and in faith it can be achieved.