Strengthened in the Inner Person Through God’s Spirit — Ephesians 3:16

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Paul’s Prayer for Spiritual Strength

Ephesians 3:16 belongs to Paul’s prayer that Jehovah would grant Christians strength “through his Spirit in the inner person,” so the verse must be read within the entire movement of Ephesians 3:14–21. Paul bends his knees before the Father rather than presenting spiritual growth as a merely psychological program of self-improvement. The strength Christians need ultimately comes from Jehovah because human reasoning, determination, education, and emotional intensity cannot replace the truth and moral power supplied by Him. Yet Paul’s prayer does not portray believers as passive recipients who wait for unexplained inward impulses before acting. The larger letter repeatedly commands them to learn Christ, put away the old personality, renew their minds, speak truth, control anger, work honestly, reject corrupt speech, forgive others, and walk in love. Ephesians 4:20–24 is especially important because moral transformation occurs through learning Christ and being renewed in the spirit of the mind. Jehovah strengthens His servants through the truth He caused the Holy Spirit to reveal and preserve in Scripture, and believers respond by understanding and obeying that truth. The prayer of Ephesians 3 therefore unites dependence upon God with responsible, Word-governed discipleship rather than setting divine help and human obedience against one another.

According to the Riches of His Glory

Paul asks that Jehovah grant strength “according to the riches of his glory,” language that directs attention away from human insufficiency toward the abundance of God’s resources. Jehovah’s glory includes the excellence of His wisdom, holiness, justice, love, power, truthfulness, and faithfulness to His declared purpose. The Christian therefore does not measure the possibility of spiritual growth solely by his present weakness, past failures, education, personality, or difficult circumstances. Abraham’s faith in Romans 4:20–21 is connected with confidence that God was able to perform what He had promised, illustrating the proper direction of biblical confidence. This does not mean that Jehovah promises to remove every physical hardship or grant every personal desire, since Paul himself repeatedly endured opposition and material need. It means that nothing necessary for faithful obedience lies outside Jehovah’s ability to supply through His revealed truth, Christ’s sacrifice, the congregation, prayer, and the hope He has provided. Second Timothy 3:16–17 states that inspired Scripture can equip the man of God for every good work, demonstrating the sufficiency of the Spirit-produced Word for Christian instruction. The riches of Jehovah’s glory therefore encourage believers to approach spiritual weakness with disciplined faith rather than either self-confidence or hopeless resignation.

The Meaning of the Inner Person

The “inner person” refers to the inward moral and intellectual life of the believer, including thought, conscience, desire, conviction, intention, and will. Paul contrasts inner and outer realities elsewhere, particularly in 2 Corinthians 4:16, where physical decline can occur while the inner person is being renewed day by day. Christianity therefore recognizes that a person may appear outwardly strong while inwardly becoming morally weak, confused, resentful, unbelieving, or spiritually careless. Conversely, a believer facing age, illness, imprisonment, persecution, or material hardship can continue growing in knowledge, faith, courage, love, and self-control. Proverbs 4:23 emphasizes guarding the heart because the springs of life flow from it, while Jesus teaches in Mark 7:20–23 that corrupt conduct emerges from inward desires. Strengthening the inner person therefore requires more than changing public appearance, attending religious meetings, adopting religious vocabulary, or being seen performing outwardly respectable acts. Jehovah’s Word must reach the reasoning that precedes conduct, correcting false assumptions and training desires toward what He approves. Spiritual strength becomes visible outwardly because a Scripturally strengthened mind increasingly produces truthful speech, moral restraint, obedient choices, enduring faith, and Christlike love.

Strength Through the Spirit-Inspired Word

The Holy Spirit’s role in strengthening believers must be understood according to Scripture rather than through later claims about inward voices, private revelation, or uncontrolled religious experiences. Second Peter 1:20–21 explains that men spoke from God as they were carried along by the Holy Spirit, identifying the Spirit as the divine Agent behind inspired revelation. Second Timothy 3:16–17 then explains what this revelation accomplishes, because Scripture teaches, reproves, corrects, trains in righteousness, and equips the believer for good works. Ephesians 6:17 identifies the word of God as “the sword of the Spirit,” showing the close relationship between the Spirit’s work and Jehovah’s written revelation. A Christian weakened by fear is strengthened when Scriptural truth corrects the belief that human opposition has ultimate authority. A believer struggling with sexual temptation is strengthened when passages such as 1 Corinthians 6:18–20, 1 Thessalonians 4:3–5, and 2 Timothy 2:22 govern his decisions and motivate practical avoidance of sin. Someone dominated by resentment becomes stronger when Ephesians 4:31–32 and Colossians 3:12–14 reshape his thinking about anger, compassion, and forgiveness. The Spirit therefore strengthens the inner person as the believer receives the Spirit-inspired truth accurately and brings his reasoning and conduct under its authority.

Christ Dwelling in the Heart Through Faith

Ephesians 3:17 continues Paul’s prayer by saying that Christ may dwell in the believers’ hearts through faith, language that must be interpreted together with the strengthening of the inner person. Paul is not describing Christ physically or mystically entering an anatomical organ, because “heart” in biblical usage frequently represents the inner person’s thinking, motivation, affection, and will. Christ dwells in the heart through faith when His teachings, example, sacrifice, authority, and promises become settled governing realities within the believer’s mind. Colossians 3:16 provides helpful parallel language by commanding Christians to let “the word of Christ” dwell richly among them through teaching, admonition, worship, and gratitude. The connection is concrete: Christ governs the heart as His revealed word is learned, trusted, remembered, and obeyed. Jesus expresses a similar principle in John 15:7 when He connects remaining in Him with His words remaining in the disciples. A person can verbally profess devotion to Christ while allowing greed, lust, resentment, political obsession, entertainment, or worldly ambition to occupy the controlling place in his thinking. Strength in the inner person therefore involves allowing the revealed mind of Christ to become increasingly established in the believer’s convictions.

Rooted and Grounded in Love

Paul’s prayer moves from inner strengthening to being “rooted and grounded in love,” using imagery of both agriculture and construction to describe stability. Roots enable a plant to draw nourishment and resist conditions that would otherwise cause it to wither, while a foundation keeps a structure from collapsing when pressure comes against it. Christian stability therefore requires love that is deeply established rather than occasional emotion. First Corinthians 13:4–7 describes such love through patience, kindness, humility, truthfulness, endurance, and refusal to rejoice in unrighteousness. This love cannot be separated from doctrine because 1 Corinthians 13:6 specifically says that love rejoices with the truth. Nor can doctrinal knowledge excuse loveless behavior, because 1 Corinthians 8:1 warns that knowledge can puff up while love builds up. The Christian strengthened inwardly by the Spirit-inspired Word learns both what Jehovah says is true and how that truth must govern treatment of other people. Love becomes structural strength when the believer continues speaking truth kindly, forgiving repentant offenders, serving fellow Christians, resisting selfish ambition, and seeking another person’s genuine spiritual good.

Strength for Moral Resistance

Inner strength becomes particularly important when obedience to Jehovah conflicts with strong personal desire or social pressure. Joseph’s refusal of sexual immorality in Genesis 39:7–12 illustrates moral strength because he rejected temptation not merely from fear of consequences but because he recognized the act as sin against God. Daniel 1:8 similarly describes Daniel resolving in his heart not to defile himself, demonstrating that outward faithfulness begins with an inward decision governed by conviction. Christians face different circumstances, but the same principle applies whenever friends, coworkers, relatives, entertainment, or prevailing culture encourage behavior Scripture condemns. Romans 12:2 commands Christians not to be conformed to this system but to be transformed through the renewing of the mind. A weak inner person asks primarily what will avoid embarrassment, preserve popularity, satisfy desire, or produce immediate comfort. A strengthened inner person asks what Jehovah has revealed and chooses obedience even when the decision brings inconvenience, misunderstanding, or loss. Spiritual strength is therefore measured less by dramatic religious experiences than by repeated Scripturally informed decisions when disobedience would be easier.

Strength During Difficulties

Paul’s own circumstances demonstrate that being strengthened by Jehovah does not mean being protected from every hardship arising in a fallen and hostile world. He experienced imprisonment, physical mistreatment, rejection, slander, hunger, sleeplessness, anxiety concerning congregations, and repeated danger while remaining a faithful apostle. Second Corinthians 12:9–10 shows Paul learning that divine strength could be displayed amid human weakness rather than through the permanent removal of every difficulty. Christians therefore should not interpret every hardship as evidence that Jehovah has abandoned them or that their faith has failed. Human imperfection, wicked people, Satan, demons, disease, death, and the general disorder of this world produce circumstances that require endurance. Psalm 119:50 describes God’s word as a source of comfort in affliction, while Romans 15:4 explains that Scriptural instruction supplies endurance and hope. A believer may be unable to change an opponent, reverse illness, restore lost money, or remove grief immediately, but he can strengthen the inner person by refusing lies that would lead him away from Jehovah. Biblical strength often appears in continued obedience when external circumstances remain difficult.

Prayer and Scriptural Effort

Paul’s prayer in Ephesians 3 teaches Christians to ask Jehovah for spiritual strength, but prayer never replaces the actions Scripture commands. A person praying for wisdom should also study Jehovah’s revealed wisdom, because Proverbs, Jesus’ teachings, apostolic instruction, and other Scriptural material provide the content needed for wise judgment. James 1:5 encourages believers to ask God for wisdom, while James 1:22 warns them to become doers of the word rather than hearers who deceive themselves. Prayer expresses dependence upon Jehovah and places the believer’s concerns before Him, while Scriptural study supplies revealed principles that must then be applied. A Christian praying for strength against pornography, for example, cannot reasonably continue deliberately arranging easy access to sexually stimulating material while refusing Jesus’ command to take decisive action against sources of stumbling in Matthew 5:28–30. Someone praying for freedom from uncontrolled anger must also obey Ephesians 4:26–27, Ephesians 4:31–32, and James 1:19–20 by changing patterns of speech and response. The inner person grows stronger as prayer, knowledge, self-discipline, repentance, and obedient action work together under Jehovah’s revealed direction. Dependence upon God is therefore not passivity but humble recognition that every faithful response rests upon truth, opportunity, forgiveness, and hope that ultimately come from Him.

Strength for Christian Witness

A strengthened inner person is also equipped to speak about Christian hope without being controlled by fear of human opinion. Paul asks for boldness in Ephesians 6:19–20 so that he might make the gospel known as he ought to speak, showing that even an apostle consciously depended upon Jehovah while fulfilling his responsibility. Acts 4:29 records early Christians asking for courage to continue speaking the word amid threats rather than asking merely for all opposition to disappear. Christian boldness does not mean aggressiveness, arrogance, or enjoyment of controversy, because 1 Peter 3:15 requires a defense of hope to be given with gentleness and respect. The inwardly strengthened Christian is less likely to distort doctrine to gain approval because his confidence rests in Jehovah’s truth rather than audience reaction. He can acknowledge ignorance where Scripture does not answer a question, correct himself when shown to be mistaken, and remain firm when biblical teaching is genuinely clear. Such stability requires an inner person continually shaped by the Spirit-inspired Word rather than by algorithms, political movements, popular teachers, peer pressure, or private emotional impulses. Ephesians 3:16 therefore directs believers toward a deep, durable strength that makes faithful thought, holiness, love, endurance, and proclamation possible under the authority of Jehovah through Christ.

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About the Author

EDWARD D. ANDREWS (AS in Criminal Justice, BS in Religion, MA in Biblical Studies, and MDiv in Theology) is CEO and President of Christian Publishing House. He has authored over 220+ books. In addition, Andrews is the Chief Translator of the Updated American Standard Version (UASV).

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