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Reaping What You Sow
Contributed by Derek Geldart on Sep 27, 2025 (message contributor)
Summary: This sermon explores how every thought, word, and action sows seeds that lead to a spiritual harvest—whether of destruction through lust, fear, and pride, or of eternal life through repentance, obedience, and walking in the Spirit—urging believers to live purposefully, sowing for the glory of God.
Sowing Seeds, Reaping Consequences
2 Samuel 11-12; Numbers 29:7-12; Numbers 13-14; Galatians 6:8
Does it really matter how we live our lives?
Each morning, we rise to meet a new day—each one filled with its own challenges, decisions, and divine opportunities. Like many of you, I begin my day with a warm cup of coffee in hand, quietly mapping out what I hope to accomplish. My goals may guide my schedule, but they rarely control every moment. Life moves fast, often blurring the lines between what is urgent and what is truly important. As followers of Christ, we are called to live lives worthy of the gospel—not as a one-time accomplishment, but as a daily pursuit of surrender and transformation. Apostle Paul reminds us in Romans 12:1–2 that we are to offer ourselves as living sacrifices—holy and pleasing to God. That requires more than religious routine; it means rejecting conformity to the world and welcoming the Spirit's renewing work in our minds.
Let me ask you:
Are you inviting God to transform you?
Can you honestly say you are becoming more like Jesus, day by day?
Living a holy life is not just a noble aim—it is a sacred calling. But the struggle is not usually in wanting to be like Jesus; it's in sowing the right seeds and taking consistent steps of obedience. Paul writes, “I have the right to do anything”—but not everything is beneficial (1 Corinthians 6:12). In other words, freedom does not mean fruitfulness. And yet—how often do we simply let life happen without intentionally examining our words, our thoughts, and our actions? We know that eating junk food daily leads to health problems. We know that neglecting a relationship causes it to wither. We know that if we don’t study, we usually fail the test.
So why do we think our spiritual lives will thrive without daily investment?
How can we expect to reap the fruit of the Spirit when we sow the seeds of the flesh?
Where We're Headed Today
In today’s message, we’ll discover how vital it is to live purposefully, planting seeds of righteousness that align with God’s will. We’ll look at familiar names—David, Moses, and Israel—and see how even the greats of the faith stumbled when they sowed carelessly. But this isn’t just about biblical history. This is about you and me—about the brevity of life, the urgency of obedience, and the power of repentance. As we explore their stories, ask God to examine your heart. Reflect honestly on these questions:
What seeds am I planting in my life right now?
What am I sowing into my family, my faith, my thought life?
Are the seeds I allow into my heart drawing me closer to God—or deeper into the world?
You only get one life. And it absolutely matters to God how you choose to live it.
The Destructive Harvest of Lust
If we believe that every seed we sow leads to a harvest—then we must also come to grips with the reality that sin has a harvest too. Not every field bear fruit that blesses. Some bear thorns that wound not only us but those around us. The danger with sin is that it often starts small—an unchecked glance, a lingering thought, a private indulgence—and yet, it can lead to a devastating harvest. No one illustrates this more clearly than King David, a man after God’s own heart, whose single moment of lustful indulgence led to a harvest of pain, loss, and regret. David didn’t start his day planning to commit adultery. But a moment of temptation—unattended, unrepented, and unchecked—planted seeds that grew into a web of deception, a broken home, a lost child, and a strained relationship with God. Let’s turn now to 2 Samuel 11 and take a sobering look at what happens when we sow to the flesh… and reap the whirlwind.
In the springtime, when kings typically led their armies into battle, King David stayed behind in Jerusalem—a subtle but significant detail that foreshadows trouble ahead (2 Samuel 11:1). While his men were fighting for the kingdom, David was idle and unengaged in his calling. One evening, as he walked upon the palace rooftop, his eyes fell upon a woman bathing. She was very beautiful, and David didn’t look away. Despite knowing she was Bathsheba, the wife of Uriah the Hittite, one of his own loyal soldiers, David sent messengers to bring her to him—and he slept with her (v.4). What began with a look soon became adultery.
Not long after, Bathsheba sent word:
“I am pregnant.”
Desperate to cover his sin, David tried to manipulate Uriah into thinking the child was his—but Uriah’s integrity stood firm. “How could I eat, drink, and lie with my wife while the ark and my men are in tents?” (vv.10–11). So David moved to Plan B—he got Uriah drunk, thinking perhaps his resolve would weaken. But even intoxicated, Uriah slept at the palace entrance with the servants. He remained loyal to his duty.