
Understanding Luke 6:45 and How Our Speech Reflects Our True Character
Introduction
Have you ever said something and then wondered, “Where did that come from?” Or perhaps you’ve noticed someone else’s words revealing more about them than they intended. The phrase “Out of the abundance of the heart the mouth speaks” comes from Luke 6:45 in the Bible. This simple but powerful teaching reminds us that our words don’t just appear out of thin air—they are shaped by what’s going on inside us. In this post, we’ll explore what this means, why it matters, and how we can use this wisdom in everyday life.
The Heart as the Source: Where Words Begin
When the Bible talks about the “heart,” it doesn’t just mean the organ that pumps blood. It refers to our inner self—our thoughts, beliefs, emotions, and intentions. Think of the heart as a storage room where we keep everything that matters to us: our values, hopes, fears, and attitudes. Just like a well or a fountain, whatever is stored inside will eventually find its way out. Our words are a direct reflection of what’s going on in that inner room. If our hearts are filled with kindness, our words will be kind. If our hearts are full of anger, our words will likely be harsh.
Words Reveal Character: Our Speech as a Window
Speech is like a window into our souls. What we say—especially when we’re not thinking too hard or when we’re under stress—shows what’s really inside us. For example, if someone regularly encourages others, you can guess they have a heart that values support and positivity. On the other hand, if someone is often critical or mean in their speech, it’s a sign that negativity or bitterness might be lurking inside. Our words can reveal our true character, even if we try to hide it.
Biblical Foundation: Luke 6:45 and Other Scriptures
Luke 6:45 says, “A good man out of the good treasure of his heart brings forth good; and an evil man out of the evil treasure of his heart brings forth evil. For out of the abundance of the heart his mouth speaks.” This means that what’s stored up in our hearts eventually comes out in our words. Matthew 12:34 echoes this idea: “For out of the abundance of the heart the mouth speaks.” Both verses teach that speech is not just about language—it’s about the condition of our hearts. The Bible consistently points out that the heart is the root of our actions and words.
Good Treasure vs. Evil Treasure: Contrasting the Heart’s Contents
Jesus uses the image of “good treasure” and “evil treasure” to explain that the heart acts like a storage box. A “good man” stores up positive values like love, honesty, patience, and faithfulness. When he speaks, these qualities pour out naturally. On the other hand, an “evil man” keeps negative things in his heart—resentment, jealousy, deceit, or selfishness. His words will reflect these darker contents. It’s not about labeling people as good or bad, but about recognizing that whatever we fill our hearts with will shape what we say and do.
Practical Application: Examining and Guarding Our Hearts
So, what can we do with this teaching? First, it’s an invitation to look inward. Ask yourself: What am I storing in my heart? Are my words building others up or tearing them down? If you notice that your words often come out harsh or negative, it may be time to examine what’s inside. Nurturing a heart filled with godly values means intentionally seeking out goodness—spending time in prayer, practicing gratitude, showing kindness, and forgiving others. It’s about making a conscious effort to fill your heart with things that will spill out in positive, encouraging speech.
One practical tip is to pause before speaking, especially in moments of frustration. Ask yourself, “Is what I’m about to say coming from a place of love, or from anger or hurt?” Over time, this self-awareness can help you shape your words to reflect the values you want to live by. Another approach is to surround yourself with people who speak kindly and encourage you to do the same. The more you fill your heart with good things, the more your words will follow.
Conclusion: Aligning Words and Heart for Growth
In the end, “Out of the abundance of the heart the mouth speaks” is a reminder that our speech matters—and it starts from within. Our words are more than just sounds; they are echoes of our inner world. By nurturing a heart filled with love, honesty, and compassion, we can ensure that our words build up, encourage, and reflect the teachings of Christ. Let’s make it our goal to fill our hearts with good treasure so that our mouths speak words that lift others and honor God.
Minister A Francine Green, May 2026