Every evil act begins with a thought—every single one. Not some. Not most. Every. This is the clear and unchanging truth taught by our Lord Jesus Christ. He said, “For from within, out of the heart of men, proceed evil thoughts, adulteries, fornications, murders, thefts… All these evil things come from within, and defile the man” (Mark 7:21–23, KJV). Evil doesn’t begin with our hands—it begins in our hearts. It starts with a thought, a moment of agreement with what is wrong, a seed planted in the soil of our minds.
This is why it is absolutely vital—urgent—that we take charge of our thoughts. If we won’t stop the thought, we will not stop the act. This is not theory; it is truth. Scripture tells us plainly: “Every man is tempted, when he is drawn away of his own lust, and enticed. Then when lust hath conceived, it bringeth forth sin: and sin, when it is finished, bringeth forth death” (James 1:14–15, KJV). There is a pattern, a progression: first the thought, then the desire, then the act, then the consequence. And by God’s grace, we can interrupt this chain. We must.
This is why spiritual vigilance must begin in the mind. “Keep thy heart with all diligence; for out of it are the issues of life” (Proverbs 4:23, KJV). Everything in your life flows from what is happening in your heart and mind. Your future, your choices, your integrity, your witness—all of it. If you let evil thoughts take root, they will grow. But if you guard your heart, if you stand firm in Christ and say “no” to every imagination that rises against the knowledge of God, you will walk in freedom.
You must win the battle in your mind. And the glorious truth is this: you can! You are not helpless. You are not defeated. You are not at the mercy of your thoughts. You have divine power—Holy Spirit power—to cast them down. The Bible says, “The weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds; casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ” (2 Corinthians 10:4–5, KJV).
There is victory in Christ. There is power in His Spirit. You can take every thought captive. You can stand strong. You can be pure, holy, and filled with light. Don’t settle for a life of constant defeat and compromise—rise up in the strength of the Lord and fight for the purity of your mind! Say “no” to sin before it ever reaches your hands—say “no” in your thoughts. This is where the battle begins, and this is where it is won. Let Christ rule in your heart, and your life will reflect His glory.