4 Truths About Sinful Behavior (Acts 5:1-11) prove that God doesn’t overlook sin just because it’s wrapped in religious language.
4 Truths About Sinful Behavior
I remember once trying to impress someone spiritually—and falling flat. Have you ever been there? You say the right things, but you know your heart is not in the right place.
Acts 5:1-11 is not just a shocking story—it’s a somber mirror. It shows how the early church handled sin with holy seriousness.
Through 4 Truths About Sinful Behavior, we will learn how to spot spiritual pretense, seek real discernment, and stay honest before God—just like the early church had to.
1. We Shun Spiritual Pretense (Acts 5:1-2)
We’ve all seen it — putting on a front that looks spiritual but isn’t. Ananias and Sapphira were trying to look generous, but their hearts weren’t aligned with their actions.
A. Spiritual pretense deceives others easily
Ananias and Sapphira sold a piece of land, brought part of the money, and pretended it was the full amount (v.2). They weren’t forced to give everything—they just wanted the praise of generosity without the price of true sacrifice (see Acts 5:4).
That kind of showy faith is still around today. It’s when we post the highlight reel of our spiritual life and hide the mess. But here’s the catch—people might buy it, but God doesn’t. Pretending only delays the deeper work God wants to do in us.
B. Spiritual pretense dishonors God deeply
Peter told Ananias, “You have not lied to men but to God” (Acts 5:4). That’s strong. It wasn’t a small slip-up. Their sin wasn’t in the amount—it was in the deception. God sees the motive, not just the motion.
We can’t compartmentalize our spiritual lives—public obedience and private dishonesty can’t live under the same roof. God wants truth in the inner parts (Psalm 51:6). When we fake faith, we insult God’s holiness. Let’s be real with Him, because He already knows—and He’s full of mercy when we come clean.
2. We Need Spiritual Perception (Acts 5:3-4)
Peter didn’t just guess something was off—he discerned it by the Spirit. And that’s a skill we all need in today’s confusing world.
A. Spiritual perception exposes hidden motives
Peter looked Ananias in the eye and, by the Spirit, called out the lie no one else could see (Acts 5:3). This wasn’t guesswork—it was spiritual insight. God revealed the truth behind what looked like a generous act.
Sometimes, what looks right isn’t real. That’s why we need discernment—not just to catch deception in others, but in ourselves too. Hebrews 4:13 says everything is uncovered before God. He helps us see clearly what human eyes often miss.
B. Spiritual perception protects holy living
Peter’s bold response didn’t just expose sin—it helped preserve the purity of the early church. That’s a gift we still need today. Discernment guards our hearts and protects the church from spiritual decay disguised as spiritual devotion (Philippians 1:9-10).
We need wisdom to spot red flags—in sermons, in leaders, in ourselves—because not everything labeled “godly” actually honors God. Ask for discernment daily. James 1:5 says God gives wisdom generously, and He’ll help us live clean in a cluttered world.
“This sermon material provides some ideas and thoughts for preaching Acts 5:1-11 using the topic of “4 Truths About Sinful Behavior | What Can We Learn?”
3. We Observe Speedy Punishment (Acts 5:5-10)
Let’s be honest—this passage is sobering. God didn’t wait days or weeks to deal with their sin; He acted immediately.
A. Speedy punishment reveals God’s holiness
Ananias dropped dead on the spot. Just like that. It wasn’t harsh—it was holy. God was guarding His newborn church (Acts 5:5). God’s response to sin was immediate because His presence was real, and His standard had to remain clear from the start.
Holiness isn’t just a church word—it’s God’s nature. He won’t let hidden sin poison open worship. That’s not cruelty, that’s care. Leviticus 10 and 1 Peter 1:16 echo this: when God’s in the room, purity isn’t optional—it’s essential. So it’s essential that we take off the mask of pretense and be open and honest with God. After all, He knows all about us anyhow (Hebrews 4:12-13).
B. Speedy punishment warns God’s people
God didn’t just judge sin—He sent a loud message: Don’t take My presence lightly. The church stood in holy fear (Acts 5:11). It wasn’t fear of punishment—it was fear rooted in awe and reverence. God is not to be played with.
Sometimes we treat grace like a safety net for casual sin. This story says otherwise. It calls us back to reverent obedience. Romans 6:1–2 asks, “Shall we continue in sin?” The answer is no—because God’s grace teaches us to shun sin and to walk humbly.
4. We Notice Somber Purging (Acts 5:11)
After both Ananias and Sapphira died, fear gripped the whole church—and rightly so. It was a holy kind of fear.
A. Somber purging produces holy fear
After Ananias and Sapphira died, “great fear seized the whole church” (Acts 5:11). But it wasn’t terror—it was reverence. This fear wasn’t about running from God; it was about walking more carefully before Him with honest hearts.
God’s presence demands awe. When He moves like this, He resets our casual attitudes and stirs up holy respect (Hebrews 12:28-29). True revival always includes repentance. That’s why fear of the Lord is the beginning of wisdom (Proverbs 9:10).
B. Somber purging purifies church fellowship
God wasn’t trying to destroy His church—He was protecting it from becoming fake, polluted, and spiritually weak from the inside out. When God removes what’s deadly, He’s preserving what’s healthy. It’s His way of loving the church fiercely and faithfully.
Purity in the church isn’t about perfection, but about sincerity. God wants a fellowship that’s honest, humble, and Spirit-led (Ephesians 4:25). So let’s invite Him to search our hearts. Because when He cleans house, it’s to make room for deeper unity and joy.
Conclusion
So what do we take from Acts 5? God loves His church too much to let sin go unchecked or unchallenged.
Let’s drop the mask, friends. Pretending is exhausting, and it never fools God. He wants honesty, not hype—truth, not a performance.
Ask Him for spiritual perception. He’ll give it. He’ll help you spot danger and stay grounded in grace and truth.
Let’s shun sin, walk humble, and protect the beauty of what God’s building here—together, as His people.
Source Material
7 Best Books on Expository Preaching Helping People Prepare Expository Sermons
The MacArthur New Testament Commentary: Acts 1-12 by John MacArthur
The Preacher’s Commentary – Volume 28: Acts by Lloyd J. Ogilvie