“But of Him you are in Christ Jesus, who became for us wisdom from God—and righteousness and sanctification and redemption—that, as it is written, “He who glories, let him glory in the Lord.” 1 Corinthians 1:30-31
The “holier than thou” attitude is pervasive in the Body of Christ and it grieves the heart of God.
The sanctifying work of God is not for you; it is to bring glory to God. As a believer, God desires to sanctify you with His life. You cannot take ownership for something that does not belong to you.

Sanctification comes to those who give God the freedom to do as He pleases with your inner being. The attitude of a believer should be a deep felt humility recognizing your depravity and sinful inner nature. There is no room for spiritual pride in a follower of Christ.
The holiness of God comes through continual repentance and prayer. You see yourself through the eyes of God and understand you can never match up to the standards of God and are always just a second away from falling into sin. You learn to live with God anchored to the Holy Spirit because this is the only way you can be free from the bondage of sin.
Sanctification creates obedience to God and a desire to live in oneness with your Creator.
It is very difficult and painful at times to walk with God because He does not think or act like you. The modicum of success comes to those who walk by faith and live in oneness with God yielding to the Holy Spirit.
Pray diligently with a thankful attitude always giving praise to God.