Sanctify them in the truth. John 17:17
Sanctification begins in regeneration. The Spirit of God implants in man that new living principle by which he becomes “a new creation”1 in Christ Jesus. This work, which begins in the new birth, is carried on in two ways-mortification, whereby the lusts of the flesh are subdued and kept under, and vivification, by which the life that God has put within us is made to be a well of water springing up unto everlasting life.
This is carried on every day in what is called perseverance, by which the Christian is preserved and continued in a gracious state and is made to abound in good works unto the praise and glory of God; and it culminates or comes to perfection in glory, when the soul, being thoroughly purged, is caught up to dwell with holy beings at the right hand of the Majesty on high.