Ephesians 4:13 says that the spiritual gifts are given to build up the body of Christ “until we all reach unity in the faith and in the knowledge of the Son of God and become mature, attaining to the whole measure of the fullness of Christ.” Some translations say that we will become “perfect” (instead of “mature”), and from this some people have mistakenly thought that we can reach sinless perfection in this life. The Bible teaches that, while we are in the flesh, we will always struggle with a sin nature (see Romans 7:14–24). No one will be “perfect” (sinless) until we reach heaven.
The word translated “mature” in Ephesians 4:13 is the Greek word teleios. It is used throughout the New Testament to mean “perfect,” “complete,” “full-grown,” and “mature.” What Ephesians 4:13 teaches is that, the more we grow in Christ, the stronger and more unified we will be as a church. The verse does not teach that we will stop sinning.
Another passage that people sometimes get confused about is Colossians 1:28, which says, in some translations, that Paul wants to “present every man perfect in Christ Jesus.” Also, in Colossians 4:12 Paul prays that we would “stand perfect and complete in all the will of God.” In both verses, the Greek word for perfect should be understood to mean “mature” or “full-grown,” not “having no sin.”
As human beings we are bound under Adam’s nature in this world. No matter how hard we try not to, we will still sin against God. This holds true for everyone. The apostle Paul rebuked Peter for showing favoritism (Galatians 2:11–13). Late in his ministry, Paul calls himself the chief of sinners (1 Timothy 1:15). Peter, James, John, and Paul all admitted that they were imperfect. How could you or I claim anything different?
True perfection will not come until the rapture of the church, when we rise to meet Jesus in the air (1 Thessalonians 4:17). At that time the dead in Christ will be resurrected, and the bodies of the living will be changed (Philippians 3:20, 21; 1 Corinthians 15:54). We will stand before the Judgment Seat of Christ (2 Corinthians 5:10) where our works will be judged and rewards will be given (1 Corinthians 3:9–15). Our redemption will be complete, and our sin will be gone forever. We will live and reign with Christ in sinless perfection forever.
Spiritual adultery is unfaithfulness to God. It is having an undue fondness for the things of the world. Spiritual adultery is analogous to the unfaithfulness of one’s spouse: “‘But like a woman faithless to her lover, even so have you been faithless to me, O house of Israel,’ says the LORD” (Jeremiah 3:20; see also Isaiah 1:21; 57:8; Ezekiel 16:30).
The Bible tells us that people who choose to be friends with the world are an “adulterous people” having “enmity against God” (James 4:4–5). The “world” here is the system of evil under Satan’s control (John 12:31; Ephesians 2:2; 1 John 5:19). The world system, with its contrived and deceitful scheme of phony values, worthless pursuits, and unnatural affections, is designed to lure us away from a pure relationship with God. Spiritual adultery, then, is the forsaking of God’s love and the embracing of the world’s values and desires (Romans 8:7–8; 2 Timothy 4:10; 1 John 2:15–17).
Spiritual adultery includes any form of idolatry. In the Old Testament, the children of Israel tried to mix the worship of other gods such as Baal with that of God (Judges 3:7; 1 Kings 16:31–33; Jeremiah 19:5). In doing so, Israel became like an adulterous wife who wanted both a husband and another lover (Jeremiah 9:2; Ezekiel 6:9; 16:32). In the New Testament, James defines spiritual adultery as claiming to love God while cultivating friendship with the world (James 4:4–5). The person who commits spiritual adultery is one who professes to be a Christian yet finds his real love and pleasure in the things that Satan offers. For believers, the love of the world and the love of God are direct opposites. Believers committing spiritual adultery may claim to love the Lord, but, in reality, they are captivated by the pleasures of this world, its influence, comforts, financial security, and so-called freedoms.
The concept of spiritual adultery against God is a major theme throughout the Old Testament (Isaiah 54:5; Jeremiah 3:20; Ezekiel 16:15–19). This theme is illustrated especially well in the book of Hosea. The prophet’s wife, Gomer, symbolizes the infidelity of the children of Israel (Hosea 2:2–5; 3:1–5; 9:1). Hosea’s commitment to Gomer symbolizes God’s faithful, patient love with His erring people.
Jesus said, “No one can serve two masters. Either you will hate the one and love the other, or you will be devoted to the one and despise the other” (Matthew 6:24). The Bible exhorts us, “Do not love the world or anything in the world. If anyone loves the world, love for the Father is not in them. For everything in the world—the lust of the flesh, the lust of the eyes, and the pride of life—comes not from the Father but from the world” (1 John 2:15–16). Believers must echo the words of the old hymn: “The world behind me, the cross before me; no turning back.”
“As obedient children, do not conform to the evil desires you had when you lived in ignorance. But just as He who called you is holy, so be holy in all you do; for it is written: ‘Be holy, because I am holy’” (1 Peter 1:14–16). Spiritual adultery is like trying to straddle the fence with one foot in the world and the other in heaven. We cannot have both. As Jesus warned the church in Laodicea, “I know your deeds, that you are neither cold nor hot. I wish you were either one or the other! So, because you are lukewarm—neither hot nor cold—I am about to spit you out of my mouth” (Revelation 3:15–16).
The love of the world is primarily an attitude of one’s heart, and we can cast away worldliness by cultivating a new affection. To avoid spiritual adultery, “set your hearts on things above, where Christ is, seated at the right hand of God. Set your affection on things above, not on things on the earth” (Colossians 3:2, KJV).
