God set these lights in the expanse of the sky to shine upon the earth,
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.
Commenting on Genesis 1:14-19
And God set them in the firmament of the heaven,.... He not only ordered that there they should be, and made them that there they might be, but he placed them there with his own hands; and they are placed, particularly the sun, at such a particular distance as to be beneficial and not hurtful: had it been set nearer to the earth, its heat...
FOURTH DAY. (Gen 1:14-19) let there be lights in the firmament--The atmosphere being completely purified, the sun, moon, and stars were for the first time unveiled in all their glory in the cloudless sky; and they are described as "in the firmament" which to the eye they appear to be, though we know they are really at vast distances from it.
Commenting on Genesis 1:14-19