How to Be a Mature Christian
Key Texts: 2 Peter 3:18; Ephesians 4:13–15; Hebrews 5:12–14
INTRODUCTION
The Individual Mandate Spiritual growth is not a passive event; it is an individual responsibility. The Apostle Peter concludes his final epistle with a command: "Grow in the grace and knowledge of our Lord and Savior Jesus Christ" (2 Peter 3:18).
From Birth to Maturity Conversion marks our "new birth," but it is never meant to be the final destination (2 Corinthians 5:17). Just as in physical life we expect an infant to develop into an adult, in the spiritual realm, we are called to move toward maturity—reaching the stature of the fullness of Christ (Ephesians 4:13).
The Peril of Stagnation The great danger for the believer is becoming "stunted" or remaining a perpetual spiritual infant. The writer of Hebrews lamented that some who should have been teachers still needed someone to teach them the basic "milk" of the Word (Hebrews 5:12).
Today, we will examine the barriers to growth, the signs of immaturity, and the path toward becoming a mature servant of God.
I. FACTORS THAT IMPEDE SPIRITUAL MATURITY
Before we can grow, we must identify the "weeds" that choke our spiritual development:
• Sin and Worldliness: Malice, deceit, hypocrisy, and envy act as spiritual toxins that stop growth (1 Peter 2:1).
• Dullness of Hearing: A hardened heart that is "slow to learn" cannot receive the seed of the Word (Hebrews 5:11; Matthew 13:15). We must be quick to hear (James 1:19).
• Spiritual Pride: The moment we think we can no longer be taught, we stop growing. Humility is the soil of maturity (Proverbs 11:2; James 4:6).
• Spiritual Laziness: Negligence in study and assembly prevents the soul from thriving (Proverbs 13:4).
• Favoritism and Division: Focusing on personalities or preachers rather than Christ creates carnal divisions that halt maturity (1 Corinthians 3:4).
II. ATTITUDES THAT DEMONSTRATE IMMATURITY
How do we recognize a spiritual "child"?
• Carnality and Strife: Constant bickering and envy are signs of a non-spiritual mind (1 Cor. 3:1-3).
• Knowledge without Character: Being "puffed up" by what one knows while lacking love (1 Cor. 8:1).
• Seeking Recognition: Always wanting the first place or the praise of men (3 John 9–10).
• Lack of Self-Control: Being easily provoked, vengeful, or refusing to forgive (James 1:19; 1 Cor. 6:7).
• Frail Faith: Falling apart or losing faith the moment a trial or test arises (1 Thess. 3:3).
III. WHY MUST WE MATURE?
Maturity is not a spiritual luxury; it is a necessity for survival and service.
1. To Restore Others: Only the spiritual can gently restore a brother who has fallen (Galatians 6:1).
2. To Avoid Deception: Children are easily "tossed to and fro" by every wind of doctrine. Maturity provides the anchor of discernment (Ephesians 4:14).
3. To Defend the Faith: We must be ready to give a reason for the hope that is in us (1 Peter 3:15).
4. To Secure Salvation: Growth in the Word is how we "grow up into salvation" (1 Peter 2:2).
Key Principle: Maturity is the bridge between simply "knowing" the Gospel and "living" the Gospel.
IV. CHARACTERISTICS OF THE MATURE CHRISTIAN
A mature believer is like a fruit-bearing tree: it provides shade and nourishment to everyone around it.
• Discernment: They have their senses exercised to discern both good and evil (Hebrews 5:14).
• Transformation: They are not conformed to the world but are daily transformed by the renewing of their minds (Romans 12:1–2).
• Selflessness: They look out for the interests of others and bear the infirmities of the weak (Philippians 2:4; Romans 15:1).
• Fruitfulness: They consistently produce the fruit of the Spirit—love, joy, peace, and long-suffering (Galatians 5:22–23).
• Commitment: They love the assembly and are steadfast in their service (Hebrews 10:25).
V. THE RIGHT ATTITUDE FOR GROWTH
Growth requires a specific spiritual "posture":
1. A Hunger for the Word: Desiring the pure milk of the Word like a newborn baby (1 Peter 2:2).
2. Discipline: Maintaining order in spiritual habits (1 Cor. 14:40).
3. A Teachable Spirit: Having a "noble" character that searches the Scriptures daily to see if things are true (Acts 17:11).
- Three common errors that many believers overlook
- How to Live in Peace with Everyone Romans 12:18
- The characteristics and consequences of being tough and rebellious
CONCLUSION
Spiritual maturity is a personal responsibility before God. To reach the stature of Christ, we must intentionally eliminate the obstacles of sin, laziness, and pride. Inmadurity doesn't just hurt the individual; it hinders the work of the Lord.
God is looking for firm, committed, and mature believers who are ready for the harvest. Where do you stand today? Are you still on "milk," or are you ready for the "solid food" of the Kingdom?
