Sanctification is both positional and practical. Christ is the believer's positional sanctification (1 Corinthians 1:30). Practical sanctification is a process. Christians believe the salvation Bible passages. Christians also ought to believe the sanctification Bible passage. This is a call to get back to the Bible regarding our daily walk with the Lord. Some of the related verses can be found here. "Are you walking daily by the Savior's side?"