Spiritual Growth Is Expected in Every Believer
Paul begins this chapter with a very sobering correction.
“And I, brethren, could not speak to you as to spiritual people but as to carnal, as to babes in Christ.” — 1 Corinthians 3:1
The Corinthians had been believers for some time, yet Paul says they were still behaving like spiritual infants. How did he know? Because of the jealousy, division, and strife among them.
“For where there are envy, strife, and divisions among you, are you not carnal and behaving like mere men?” — 1 Corinthians 3:3
This teaches an important lesson: spiritual maturity is not measured merely by how long someone has been a Christian or how much Bible knowledge they possess. A person may:
– attend church regularly, – know many Scriptures, – serve in ministry, – or speak confidently about spiritual matters, yet still remain immature in character. Spiritual growth should gradually produce:
– humility, – self-control, – love, – forgiveness, – unity, – and Christlike behaviour. Paul wanted the Corinthians to move beyond spiritual infancy and grow into maturity. The same challenge applies to every one of us today. God never intended His people to remain spiritual babies. He desires continual growth into the likeness of Christ.
This reminds us that spiritual growth is not optional in the Christian life. While every one of us begins as a spiritual infant, God expects continual maturity over time. The evidence of growth is not simply increased knowledge, but a transformed character that increasingly reflects Christ. Jealousy, division, pride, and constant conflict often reveal areas where growth is still needed. This chapter challenges us to examine their lives honestly and ask whether they are becoming more like Jesus year after year. God’s desire is not merely that we know more about Him, but that we become more like Him.
God Gives the Growth
The Corinthians had become divided around different Christian leaders. Some were saying:
“I am of Paul,”
while others were saying:
“I am of Apollos.” — 1 Corinthians 3:4
Paul strongly corrects this mindset. He explains:
“I planted, Apollos watered, but God gave the increase.” — 1 Corinthians 3:6
This is a beautiful picture of how God’s work operates. Different believers may have different roles:
– one person shares the Gospel, – another teaches, – another encourages, – another disciples, – another prays. But ultimately, only God can produce genuine spiritual growth. Paul continues:
“So then neither he who plants is anything, nor he who waters, but God who gives the increase.” — 1 Corinthians 3:7
This truth protects believers from two dangers:
– pride when things seem successful, – discouragement when growth seems slow. The focus should never be on exalting human servants. All glory belongs to God.
This chapter reminds us that God’s work is bigger than any individual leader, teacher, or ministry. While God uses people as His servants, it is God Himself who changes hearts and produces lasting fruit. This should keep believers both humble and encouraged. Humble, because no human deserves the glory that belongs to God alone. Encouraged, because the burden of transforming lives does not rest on human strength. Our responsibility is faithfulness; God’s responsibility is the increase. When believers understand this properly, they can serve diligently while trusting God with the results.
Be Careful How You Build
Paul then changes to the picture of a building. He says:
“For no other foundation can anyone lay than that which is laid, which is Jesus Christ.” — 1 Corinthians 3:11
Everything in the Christian life must ultimately be built upon Christ. Paul then explains that believers build upon this foundation with different materials:
“gold, silver, precious stones, wood, hay, straw” — 1 Corinthians 3:12
One day, every one of us’s work will be tested by God.
“Each one’s work will become clear; for the Day will declare it…” — 1 Corinthians 3:13
Paul is not speaking here about salvation being earned through works. He is speaking about the quality of a believer’s service and life before God. Some things that seem impressive now may prove to have little eternal value. Other acts that seem small and unnoticed may be highly precious in God’s sight. This should cause believers to think carefully about:
– how they spend their time, – what motivates their service, – what priorities shape their lives, – and whether they are investing in things that truly matter eternally.
This reminds us that every life is building something. The question is not whether we are building, but what we are building and what we are building with. Temporary achievements, worldly recognition, and personal success may seem impressive now, but only what is built for Christ will endure forever. This chapter encourages us to live with eternity in view. Every act of obedience, every faithful service, every sacrifice made for Christ, and every effort invested in God’s kingdom has lasting significance. Wise believers build their lives upon Christ and invest in what will still matter when they stand before Him.
Deeper Waters
1 Corinthians 3 continues Paul’s correction of the divisions within the Corinthian church. The chapter reveals that the root problem was not primarily loyalty to different leaders, but spiritual immaturity.
Paul introduces an important distinction between being “in Christ” and living carnally. The Corinthians were genuine believers, yet many of their attitudes reflected worldly thinking rather than spiritual maturity.
The agricultural imagery (“I planted, Apollos watered”) highlights God’s sovereignty in spiritual growth. Throughout Scripture, God uses human instruments, but He alone produces life and fruit.
The building imagery introduces the important biblical theme of future evaluation. While salvation rests entirely upon Christ’s finished work, believers will still give account for how they built upon the foundation of Christ.
The foundation itself is crucial:
“For no other foundation can anyone lay than that which is laid, which is Jesus Christ.” — 1 Corinthians 3:11
This connects directly to Jesus’ teaching about building upon a solid foundation (Matthew 7:24–27). Everything in Christian life and ministry must remain centred on Christ. Paul also reminds us:
“Do you not know that you are the temple of God and that the Spirit of God dwells in you?” — 1 Corinthians 3:16
This is a remarkable truth. Under the Old Covenant, God’s presence was associated with the Tabernacle and later the Temple. Under the New Covenant, God’s Spirit now dwells among His people. this chapter calls us away from:
– spiritual pride, – unhealthy comparisons, – personality-driven Christianity, – and worldly measures of success. Instead, Paul directs attention toward spiritual maturity, faithful service, Christ-centred living, and eternal priorities. The chapter ultimately teaches that God is building His people for His glory, and wise believers will build their lives carefully upon the unshakable foundation of Jesus Christ.