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Jul 20, 2025·Sun AM

Security In Christ

Assurance rests in Jesus. First John teaches us to trust His saving work while walking honestly in the light through confession, obedience, and love.

Sermon companion study3 min read

Find confidence without becoming careless

A disciple does not have to choose between constant fear and careless confidence. Scripture gives assurance in Jesus while taking sin seriously. First John brings both together: God is light, we must acknowledge sin, and Jesus provides cleansing and advocacy. We find security in the Savior, not in a claim that we never fail or that failure can never matter. The relationship calls for honest repentance, obedience, and love. It also gives hope beyond the imperfect performance that keeps reminding us how much we need Him.

Acts 8:13–24 shows Simon believing and being baptized, then trying to purchase spiritual authority. Peter calls him to repent and pray. A past response does not make deliberate wrongdoing safe. Romans 6:1–4 likewise rejects continuing in sin so grace may abound. Those joined to Christ’s death are called to newness of life. Reassurance must not become indifference. The grace that saves gives us a reason to leave sin, instead of a comfortable explanation for keeping it.

Walk in the light with an honest heart

First John 1:5–10 supplies the pattern. Claiming fellowship while walking in darkness is false. Walking in the light includes fellowship and cleansing through Jesus’ blood. The passage also rejects claims that we have no sin and promises forgiveness when we confess. A walk in light therefore cannot mean we have achieved a sinless record. It involves truthful acknowledgment of need and a faithful direction that refuses to defend darkness. Known wrongs deserve real confession rather than religious words that hide their seriousness.

First John 2:1–2 gives the aim and provision together: do not sin, and when you do, Jesus Christ the righteous is your advocate. Hope rests in Him. We should not turn salvation into a perfectly timed accounting system or claim certainty about every hypothetical final moment of someone’s life. God knows hearts and circumstances beyond our judgment. Receive His revealed teaching. Take sin seriously, come honestly to the Savior, and depend on His saving work as you pursue the faithfulness He calls for.

Keep trusting, learning, and loving

First John 3:9–10 contrasts practicing sin with righteousness and love for a brother. It calls for an allegiance expressed in conduct, never comfortable protection of wrongdoing. Verses 23–24 emphasize faith in the Son and love for one another. These commandments do not cancel the rest of His teaching. Genuine faith receives His requirements, including repentance and baptism. Philippians 3:12–14 similarly speaks of pressing onward without claiming perfection. We can pursue growth confidently because Christ remains our hope and our goal.

First John 5:11–13 says life is in the Son and believers may know they have eternal life. Receive the encouragement as confidence for faithful living, not an unconditional guarantee regardless of later choices. Begin today trusting His mercy and intending to follow. Confess recognized sin and turn from it. Seek help, keep learning, and practice love. Assurance grows as attention rests on the faithful Savior and His promises, while our decisions remain open to correction and responsive to the light He gives.

Reflect and Respond

  1. Are you seeking security in your own flawless performance, or in Christ while responding faithfully to Him?
  2. What known sin needs honest confession and practical change rather than reassurance that avoids repentance?

Keep Studying

Read the passages, listen to chapter devotionals, and explore related studies in the library.

Scripture for this study: Acts 8:13–24; 1 John 1:5–10; 1 John 2:1–6; 1 John 3:9–10; 1 John 3:23–24; 1 John 5:11–13; Romans 5:1–2; Romans 6:1–4; Philippians 3:12–14