How to Grow in Holiness as a Christian
Main Verse:
"But as he which hath called you is holy, so be ye holy in all manner of conversation." – 1 Peter 1:15 (KJV)

What Is Holiness?
Holiness is being set apart for God's purposes and reflecting His character. It’s not moral perfection achieved through human strength but Christlikeness formed by grace. God calls us not just to believe, but to become: to be holy as He is holy.
1. Begin with the Gospel
Holiness is not a ladder to heaven. It starts with justification—being declared righteous in Christ by faith alone. Our pursuit of holiness (sanctification) flows from this saving relationship, not toward it.
2. Abide in the Word
Jesus said, "Sanctify them through thy truth: thy word is truth" (John 17:17). Daily Scripture meditation renews the mind and transforms the heart. Let the Word shape your thoughts, habits, and affections.
3. Cultivate Spiritual Disciplines
Prayer, fasting, worship, service, and fellowship are tools God uses to grow us. These aren’t legalistic duties but means of grace by which we abide in Christ and grow in obedience and love.
4. Put Sin to Death
Romans 8:13 commands us to mortify the deeds of the body by the Spirit. Holiness involves daily repentance and spiritual warfare against sin. Starve the flesh, feed the Spirit.
5. Walk by the Spirit
True holiness is Spirit-empowered, not self-generated. As we walk by the Spirit, the fruit of the Spirit—love, joy, peace, etc.—begins to flourish (Galatians 5:22-23).
6. Remember: It’s a Lifelong Journey
Holiness is progressive. We stumble, we fall, but we press on. God is patient. He who began the good work in us will carry it to completion (Philippians 1:6).
💬 Reformed Wisdom
“The life of holiness is not a life of ease, but it is a life of joy and power through the Holy Spirit.” – John Owen“Be killing sin, or sin will be killing you.” – John Owen
📌 Final Encouragement
Do not be discouraged by slow progress. The call to holiness is a call to walk with Christ daily, trusting Him to sanctify you by His Word and Spirit. Fix your eyes on Jesus, the author and finisher of your faith.
👉 Call to Action
- Take time this week to examine your life in the light of God’s Word.
- Memorize 1 Peter 1:15–16 as a reminder of your calling to holiness.
- Subscribe for more Reformed devotional content to help you grow.
- Read Next: How to Develop a Consistent Prayer Life
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