Mathew 5:33 – 6:8, 2 Corinthians 6:1 – 7:1
2 Corinthians 7:1 (NKJV)
1 Therefore, having these promises, beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, perfecting holiness in the fear of God.
Westminster Shorter Catechism Q. 35. What is sanctification?
A. Sanctification is the work of God’s free grace, whereby we are renewed in the whole man after the image of God,k and are enabled more and more to die unto sin, and live unto righteousness.
2 Corinthians 6:16 (NKJV)
16 … As God has said: “I will dwell in them And walk among them. I will be their God, And they shall be My people.”
2 Corinthians 6:18 (NKJV)
18 “I will be a Father to you, and you shall be My sons and daughters, says the Lord Almighty.”