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Study this verse
Public-domain commentary
Matthew Henry
From his Commentary on the Whole Bible. Henry comments on passages, not single verses — this entry covers Proverbs 18:20.
Note, 1. Our comfort depends very much upon the testimony of our own consciences, for us or against us. The belly is here put for the conscience, as Pro 20:27. Now it is of great consequence to us whether that be satisfied, and what that is filled with, for, accordingly, will our satisfaction be and our inward peace. 2. The testimony of our consciences will be for us, or against us, according as we have or have not governed our tongues well. According as the fruit of the mouth is good or bad, unto iniquity or unto righteousness, so the character of the man is, and consequently the testimony of his conscience concerning him. "We ought to take as great care about the words we speak as we do about the fruit of our trees or the increase of the earth, which we are to eat; for, according as they are wholesome or unwholesome, so will the pleasure or the pain be wherewith we shall be filled." So bishop Patrick.
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Summary
Proverbs 18:20 articulates a profound principle of spiritual and personal causality, asserting that an individual's deep inner satisfaction and overall fulfillment are a direct, inevitable consequence of their spoken words. Through vivid agricultural metaphors, the proverb illustrates that just as a farmer reaps the harvest they sow, so too will a person experience the tangible and intangible results, whether beneficial or detrimental, of the verbal seeds planted through their mouth and lips. This verse underscores the inherent power of speech to shape one's internal state and external reality.
Context
Literary Context
Proverbs 18:20 is situated within a broader collection of wisdom sayings that consistently emphasize the profound power and consequence of human speech. The Book of Proverbs, as a whole, is replete with admonitions and insights concerning the tongue, contrasting the life-giving potential of wise words with the destructive capacity of foolish or wicked speech. This particular verse reinforces the recurring theme that words are not mere ephemeral sounds but carry substantial weight, shaping one's destiny and inner state. It builds upon earlier proverbs that highlight the direct correlation between one's verbal output and their personal experience, such as the idea that "death and life are in the power of the tongue" found in Proverbs 18:21. The immediate context often shifts between various aspects of wisdom, but the focus on speech remains a consistent thread throughout the book, making this verse a quintessential expression of its core message and contributing to the larger discourse on righteous living.
Historical & Cultural Context
Ancient Israel, like many ancient Near Eastern societies, deeply valued spoken words, viewing them as possessing inherent power. Oaths, blessings, curses, and legal pronouncements were not merely communicative acts but were believed to carry spiritual and material weight, often shaping destinies. In an agrarian society, the imagery of "fruit" and "increase" from one's "mouth" and "lips" would have resonated powerfully, drawing a clear parallel between the tangible results of agricultural labor and the inevitable outcomes of verbal expression. The concept of "belly" (Hebrew: beṭen) often extended beyond mere physical sustenance to encompass the inner being, desires, and the very core of one's existence. Thus, being "satisfied" or "filled" by the fruit of one's mouth implied a holistic fulfillment or lack thereof, directly tied to verbal conduct. This cultural understanding underscores that the proverb is not merely about reputation, but about the deep, personal impact of one's own words on their internal state and life experience.
Key Themes
This proverb is a powerful articulation of several key themes prevalent in wisdom literature. Foremost is the Potency of Speech, asserting that words are not neutral but are active agents shaping reality. They are presented as a "fruit" or "increase" that one consumes, directly linking verbal output to personal outcome. This ties into the theme of Retributive Justice or Sowing and Reaping, where one's actions (specifically, one's words) inevitably return to affect the individual. The imagery evokes the principle that "whatever a man sows, that he will also reap," as articulated in Galatians 6:7. Furthermore, the verse emphasizes Personal Accountability, placing the responsibility for one's inner "satisfaction" or "filling" squarely on the individual's verbal choices. It suggests that the quality of one's life, in a significant measure, is a direct consequence of the words that proceed from their mouth, underscoring the profound moral and spiritual weight of every utterance. This theme is echoed throughout Proverbs, such as in Proverbs 13:3, which warns that guarding one's mouth preserves life.
Exposition and Analysis
Key Word Analysis
While literally referring to the stomach, this term frequently extends metaphorically to signify the inner being, the seat of desires, emotions, and the very core of a person's life and sustenance. Thus, being "satisfied" in one's "belly" implies a deep, internal fulfillment or lack thereof, rather than merely physical hunger. It speaks to the holistic well-being and contentment derived from one's life's harvest, encompassing spiritual, emotional, and psychological states.
Derived from a root meaning "to be fruitful," this word denotes the natural outcome, product, or yield. In the context of the mouth, it refers to the direct result or consequence of spoken words. Just as a tree produces fruit that is consumed, so too do words produce a tangible "harvest" that the speaker will inevitably partake of, highlighting the inherent productivity and consequence of speech.
This primitive root means "to sate" or "fill to satisfaction," whether literally (with food) or figuratively (with experience). It conveys the idea of having enough, being completely full, or having plenty. When applied to the "belly" and the "fruit of the mouth," it indicates that one's deepest needs and desires will be met, or conversely, that one will be overwhelmed by the consequences of their words, experiencing either profound contentment or bitter satiety. This term underscores the completeness of the outcome.
Verse Breakdown
"A man's belly shall be satisfied with the fruit of his mouth;"
This clause establishes the primary metaphor, linking internal satisfaction ("belly shall be satisfied") directly to the outcome of one's speech ("the fruit of his mouth"). The "belly" here represents the inner person, their desires, and their overall well-being. "Fruit" signifies the natural, inevitable product or consequence. Thus, the words a person speaks are depicted as seeds that grow into a harvest, and that harvest will be the very thing that fills and satisfies (or dissatisfies) their inner life. Good words yield good fruit, leading to satisfaction; harmful words yield bitter fruit, leading to distress.
"and with the increase of his lips shall he be filled."
This second clause functions as a synonymous parallelism, reiterating and reinforcing the truth of the first clause using slightly different but equivalent terms. "Increase" (Hebrew: tᵉbûwʼâh) refers to the yield or revenue from a crop, further solidifying the agricultural imagery. "Lips" are a synecdoche for speech itself, representing the instrument of verbal expression. The phrase "shall he be filled" (using the same Hebrew root as "satisfied," sâbaʻ) emphasizes the completeness and inevitability of the outcome. The combined clauses powerfully convey that the totality of one's verbal output will become the very substance that defines and fills their life experience, whether for good or ill.
Literary Devices
Proverbs 18:20 masterfully employs several literary devices to convey its profound message. The most prominent is Metaphor, where speech is likened to agricultural produce—"fruit of his mouth" and "increase of his lips." This vivid imagery transforms abstract concepts (words and their consequences) into concrete, tangible realities (harvest and sustenance), making the proverb highly relatable and impactful, especially in an agrarian society. The verse also utilizes Synonymous Parallelism, a hallmark of Hebrew poetry, where the second clause ("and with the increase of his lips shall he be filled") echoes and reinforces the meaning of the first clause ("A man's belly shall be satisfied with the fruit of his mouth") using different but equivalent terms. This repetition deepens the emphasis on the inescapable connection between speech and personal outcome. Furthermore, there is a subtle form of Synecdoche, where "mouth" and "lips" stand in for the entire act of speaking, highlighting the specific organs involved in verbal expression as the source of this "fruit" or "increase."
Theological and Thematic Connections
This proverb stands as a cornerstone of biblical wisdom regarding the power of the tongue, echoing a consistent theological theme throughout Scripture: words are not inert, but carry creative and destructive power, shaping both the speaker's destiny and the world around them. From creation itself, where God speaks the cosmos into existence, to the prophetic utterances that shape nations, the Bible consistently affirms the potent reality of speech. This principle extends to human beings, made in God's image, whose words reflect their inner character and ultimately determine their experience of life's satisfaction or emptiness. The proverb calls for a profound awareness of the spiritual weight of every utterance, recognizing that our verbal output is a seedbed for our future, directly impacting our internal state and external circumstances.
Reflection and Application
Proverbs 18:20 serves as a profound mirror, inviting us to examine the quality of our inner life by reflecting on the words that proceed from our mouths. If our "belly" (our inner being, our sense of fulfillment and peace) is lacking, this proverb suggests we must first look to the "fruit of our mouth." Do we speak words of life, encouragement, truth, and grace, or do we habitually engage in gossip, criticism, negativity, or deceit? Our words are not just communication tools; they are active agents that shape our reality, influencing our relationships, our reputation, and our own psychological and spiritual well-being. This verse compels us to cultivate intentional, righteous speech, recognizing that every utterance is a seed sown into the field of our future. To experience true satisfaction and inner fullness, we must consciously choose to speak words that align with God's wisdom and character, thereby cultivating a harvest of blessing for ourselves and for others, leading to a life characterized by genuine contentment and peace.
Questions for Reflection
FAQ
Does "belly" only refer to physical hunger in this proverb?
No, while "belly" (Hebrew: beṭen) can literally refer to the physical stomach, in this proverb and many other biblical contexts, it carries a deeper metaphorical meaning. It often signifies the inner being, the seat of desires, emotions, and the very core of a person's life and sustenance. Therefore, "satisfied with the fruit of his mouth" implies a holistic fulfillment or lack thereof, addressing one's spiritual, emotional, and relational well-being, not just physical hunger. It suggests that one's deepest needs and desires will be met (or not met) by the results of their words. This broader meaning is consistent with other wisdom literature that speaks of the heart or inner person as the source of life's issues, as seen in Proverbs 4:23.
How does this proverb relate to the idea of "speaking things into existence"?
This proverb strongly supports the idea that words have creative power, though not in the sense of creating something out of nothing (which is God's prerogative). Rather, it emphasizes that our words are like seeds that, once sown, will inevitably produce a harvest in our lives. If we speak words of encouragement, truth, and faith, we are sowing seeds that can yield positive "fruit"—stronger relationships, a good reputation, inner peace, and a sense of fulfillment. Conversely, if we speak words of negativity, slander, or deceit, we are sowing seeds that will yield bitter "increase"—conflict, isolation, and dissatisfaction. It's about shaping one's personal reality and environment through the consistent output of one's lips, a principle echoed by Jesus in Matthew 12:34, where He states that "out of the abundance of the heart the mouth speaks."
Christ-Centered Fulfillment
Proverbs 18:20, with its emphasis on the life-shaping power of words and the satisfaction derived from them, finds its ultimate fulfillment and deepest meaning in Jesus Christ. He is the Word made flesh (John 1:14), the very embodiment of divine speech. Unlike human words that can be both life-giving and destructive, every word from Jesus' mouth was pure, truthful, and saturated with life. He declared, "The words that I speak unto you, they are spirit, and they are life" (John 6:63). Through His words, He brought healing, forgiveness, and eternal life, satisfying the deepest longings of humanity's "belly" or inner being. The "fruit" of His mouth was the gospel, which, when received, fills believers with a satisfaction that the world cannot give (John 4:14). Furthermore, as believers, we are called to speak words that reflect Christ, letting our speech be "always with grace, seasoned with salt" (Colossians 4:6). When we speak words of faith, love, and truth, we are partaking in the divine nature of the Word, and the "increase of our lips" becomes a testament to the filling of the Holy Spirit within us, leading to true and lasting satisfaction found only in Him.