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Commentary on Genesis 1 verses 14–19
This is the history of the fourth day's work, the creating of the sun, moon, and stars, which are here accounted for, not as they are in themselves and in their own nature, to satisfy the curious, but as they are in relation to this earth, to which they serve as lights; and this is enough to furnish us with matter for praise and thanksgiving. Holy Job mentions this as an instance of the glorious power of God, that by the Spirit he hath garnished the heavens (Job 26:13); and here we have an account of that garniture which is not only so much the beauty of the upper world, but so much the blessing of this lower; for though heaven is high, yet has it respect to this earth, and therefore should have respect from it. Of the creation of the lights of heaven we have an account,
I. In general, Gen 1:14, Gen 1:15, where we have 1. The command given concerning them: Let there be lights in the firmament of heaven. God had said, Let there be light (Gen 1:3), and there was light; but this was, as it were, a chaos of light, scattered and confused: now it was collected and modelled, and made into several luminaries, and so rendered both more glorious and more serviceable. God is the God of order, and not of confusion; and, as he is light, so he is the Father and former of lights. Those lights were to be in the firmament of heaven, that vast expanse which encloses the earth, and is conspicuous to all; for no man, when he has lighted a candle, puts it under a bushel, but on a candlestick (Luk 8:16), and a stately golden candlestick the firmament of heaven is, from which these candles give light to all that are in the house. The firmament itself is spoken of as having a brightness of its own (Dan 12:3), but this was not sufficient to give light to the earth; and perhaps for this reason it is not expressly said of the second day's work, in which the firmament was made, that it was good, because, till it was adorned with these lights on the fourth day, it had not become serviceable to man. 2. The use they were intended to be of to this earth. (1.) They must be for the distinction of times, of day and night, summer and winter, which are interchanged by the motion of the sun, whose rising makes day, his setting night, his approach towards our tropic summer, his recess to the other winter: and thus, under the sun, there is a season to every purpose, Ecc 3:1. (2.) They must be for the direction of actions. They are for signs of the change of weather, that the husbandman may order his affairs with discretion, foreseeing, by the face of the sky, when second causes have begun to work, whether it will be fair or foul, Mat 16:2, Mat 16:3. They do also give light upon the earth, that we may walk (Joh 11:9), and work (Joh 9:4), according as the duty of every day requires. The lights of heaven do not shine for themselves, nor for the world of spirits above, who need them not; but they shine for us, for our pleasure and advantage. Lord, what is man, that he should be thus regarded! Psa 8:3, Psa 8:4. How ungrateful and inexcusable are we, if, when God has set up these lights for us to work by, we sleep, or play, or trifle away the time of business, and neglect the great work we were sent into the world about! The lights of heaven are made to serve us, and they do it faithfully, and shine in their season, without fail: but we are set as lights in this world to serve God; and do we in like manner answer the end of our creation? No, we do not, our light does not shine before God as his lights shine before us, Mat 5:14. We burn our Master's candles, but do not mind our Master's work.
II. In particular, Gen 1:16-18.
1.Observe, The lights of heaven are the sun, moon, and stars; and all these are the work of God's hands. (1.) The sun is the greatest light of all, more than a million times greater than the earth, and the most glorious and useful of all the lamps of heaven, a noble instance of the Creator's wisdom, power, and goodness, and an invaluable blessing to the creatures of this lower world. Let us learn from Psa 19:1-6 how to give unto God the glory due unto his name, as the Maker of the sun. (2.) The moon is a less light, and yet is here reckoned one of the greater lights, because though, in regard to its magnitude and borrowed light, it is inferior to many of the stars, yet, by virtue of its office, as ruler of the night, and in respect of its usefulness to the earth, it is more excellent than they. Those are most valuable that are most serviceable; and those are the greater lights, not that have the best gifts, but that humbly and faithfully do the most good with them. Whosoever will be great among you, let him be your minister, Mat 20:26. (3.) He made the stars also, which are here spoken of as they appear to vulgar eyes, without distinguishing between the planets and the fixed stars, or accounting for their number, nature, place, magnitude, motions, or influences; for the scriptures were written, not to gratify our curiosity and make us astronomers, but to lead us to God, and make us saints. Now these lights are said to rule (Gen 1:16, Gen 1:18); not that they have a supreme dominion, as God has, but they are deputy-governors, rulers under him. Here the less light, the moon, is said to rule the night; but in Psa 136:9 the stars are mentioned as sharers in that government; The moon and stars to rule by night. No more is meant than that they give light, Jer 31:35. The best and most honourable way of ruling is by giving light and doing good: those command respect that live a useful life, and so shine as lights.
2.Learn from all this, (1.) The sin and folly of that ancient idolatry, the worshipping of the sun, moon, and stars, which, some think, took rise, or countenance at least, from some broken traditions in the patriarchal age concerning the rule and dominion of the lights of heaven. But the account here given of them plainly shows that they are both God's creatures and man's servants; and therefore it is both a great affront to God and a great reproach to ourselves to make deities of them and give them divine honours. See Deu 4:19. (2.) The duty and wisdom of daily worshipping that God who made all these things, and made them to be that to us which they are. The revolutions of the day and night oblige us to offer the solemn sacrifice of prayer and praise every morning and evening.
As those lights of heaven that we see have been set "for signs and seasons and days and years," that they might give light from the firmament of heaven to those who are on the earth, so also Christ, illuminating his church, gives signs by his precepts, that one might know how, when the sign has been received, to escape the "wrath to come," lest "that day overtake him like a thief," but that rather he can reach "the acceptable year of the Lord." Christ, therefore, is the "true light which enlightens every man coming into this world." From his light the church itself also having been enlightened is made "the light of the world" enlightening those "who are in darkness," as also Christ himself testifies to his disciples saying, "You are the light of the world."
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SUMMARY
Genesis 1:17 profoundly illustrates God's sovereign and intentional act of establishing the celestial luminaries within the firmament. This verse reveals that the sun, moon, and stars are not arbitrary cosmic phenomena but divinely appointed instruments, meticulously positioned by the Creator to fulfill the essential function of illuminating the earth, thereby testifying to His purposeful design, perfect order, and continuous, benevolent provision for all creation.
CONTEXT
Literary Context: This verse is a direct continuation and culmination of the fourth day of creation, building upon the divine decree and execution described in Genesis 1:14-16. On Day Four, God declares His intention to create "lights in the firmament of the heaven" to separate day from night, serve as signs for seasons, days, and years, and to give light upon the earth. Genesis 1:16 then records the actual making of these two great lights and the stars. Verse 17, therefore, completes the divine action by specifying the placement and commissioning of these newly created luminaries within the pre-existing cosmic structure—the "firmament" established on Day Two. This sequential narrative highlights God's methodical and orderly approach to creation, where each step builds upon the previous one, leading to a perfectly functioning cosmos.
Historical & Cultural Context: In the ancient Near East, surrounding cultures often deified the sun, moon, and stars, worshipping them as gods or powerful cosmic entities that controlled human destiny. The Genesis account, however, radically subverts these pagan cosmologies. By presenting the sun, moon, and stars as mere "lights" (not even named with their common titles, which might evoke pagan deities) and as creations placed by God for a specific function, Genesis 1 firmly establishes the sole sovereignty of Yahweh. These luminaries are not divine beings to be worshipped, but rather subservient instruments of the one true God, created and positioned by Him to serve humanity and the earth. This demythologization of celestial bodies underscores a foundational monotheistic worldview, distinctly contrasting with the polytheistic beliefs prevalent in the ancient world, and reinforcing God's supreme authority over all things.
Key Themes: Genesis 1:17 contributes significantly to several overarching themes within the creation narrative and the broader book of Genesis. It powerfully reinforces the theme of Divine Sovereignty, demonstrating God's absolute control over every aspect of creation, from its initial formation to the precise placement of its elements. The verse also highlights Divine Order and Purpose, emphasizing that nothing in God's creation is accidental or chaotic; rather, everything is meticulously designed and positioned to fulfill a specific function. The phrase "to give light upon the earth" underscores God's Benevolent Provision for His creation, revealing Him as a caring Creator who actively sustains life. Finally, the placement of the lights within the "firmament of the heaven" speaks to the theme of Creation as Revelation, where the natural world, in its very existence and operation, declares the glory and wisdom of its Creator, a theme echoed profoundly in Psalm 19:1-4.
EXPOSITION AND ANALYSIS
Key Word Analysis
Verse Breakdown
Literary Devices
The verse employs several significant literary devices. Repetition of the concept of "light" from earlier in the chapter (Genesis 1:3) reinforces its foundational importance to creation and God's consistent provision. The phrase "God set them" is a powerful example of Anthropomorphism, attributing a human-like action (setting or placing) to God, which helps convey His deliberate and personal involvement in creation. The entire verse functions as a form of Teleology, emphasizing the purposeful design of the cosmos, where every element, specifically the celestial bodies, is created and positioned with an explicit end goal: "to give light upon the earth." This teleological perspective underscores God's intelligent design and the inherent order of the universe.
THEOLOGICAL AND THEMATIC CONNECTIONS
Genesis 1:17 profoundly articulates God's absolute sovereignty and meticulous ordering of the cosmos. It reveals a Creator who is not distant or indifferent, but intimately involved in the precise placement and commissioning of every element of His creation. The act of "setting" the luminaries "to give light upon the earth" underscores God's benevolent provision, demonstrating His active commitment to sustaining life and ensuring the well-being of His creation. This divine arrangement establishes a pattern of reliability and faithfulness in the natural world, where the consistent functioning of the celestial bodies testifies to the unchanging character of their Creator.
REFLECTION AND APPLICATION
Just as God meticulously "set" the celestial bodies with specific purpose for the earth's well-being, so too does He orchestrate the details of our lives with intentionality and divine purpose. This verse invites us to consider that our lives, our gifts, and our circumstances are not random, but are "set" by God within His grand design. We are called to trust in His sovereign placement and provision, recognizing that, like the stars, we are positioned within His cosmic order to reflect His light and serve His purposes in the world. The enduring cosmic order, with the sun, moon, and stars faithfully fulfilling their appointed roles, serves as a daily, tangible reminder of God's unwavering faithfulness and His commitment to sustaining all that He has made, including us. This should inspire both awe and a deep sense of security in His providential care.
Questions for Reflection
FAQ
Does "God set them" imply the lights were created before Day Four?
Answer: No, the phrase "God set them" in Genesis 1:17 refers to the installation or appointment of the luminaries, not their initial creation. Genesis 1:16 explicitly states that God "made" the great lights—the sun, moon, and stars—on Day Four. Therefore, verse 17 describes the act of God establishing these newly made lights in their proper, designated place within the firmament. It emphasizes their purposeful placement and ongoing role within God's cosmic order, commissioning them for their specific function of illuminating the earth. This sequence highlights God's methodical and orderly approach to creation.
CHRIST-CENTERED FULFILLMENT
The divine act of "setting" the lights in the firmament to give light upon the earth in Genesis 1:17 powerfully foreshadows Christ as the true Light of the world. Just as the physical luminaries were precisely placed to sustain physical life and order the cosmos, so too is Jesus Christ, the Light of the World, divinely appointed and "set" into human history to bring spiritual light and life to humanity. He is the radiance of God's glory, illuminating the darkness of sin and ignorance, much like the sun dispels night. Through Him, the chaos of sin is ordered, and spiritual sustenance is provided, fulfilling God's ultimate purpose of illuminating His creation with His truth and grace, as promised in passages like John 1:4-5 and through His own declaration in John 9:5.