Believers are sanctified by God through His sovereign will and are set apart for holiness.
Sanctification is an act of God's sovereign grace whereby believers are set apart for His purposes. According to Jude, those addressed in his letter are 'sanctified by God the Father,' indicating that this process is initiated by God. Sanctification involves both a positional aspect, where believers are declared holy in Christ, and a practical aspect, where they are called to live out their sanctified status reflecting God’s holiness. This means that believers, while still battling sin, are empowered by the Holy Spirit to pursue holiness as a response to the grace they've received. The assurance of being sanctified in Christ reassures believers that they are seen as holy and blameless before God due to Christ's sacrificial work (Ephesians 1:4-5).
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