Job 36:30 (KJV) states, "Behold, he spreadeth his light upon it, and covereth the bottom of the sea." This verse is part of a larger passage in the book of Job, in which Elihu, one of Job's friends, speaks to Job about the greatness of God and His power.

In this verse, Elihu is describing the majesty and power of God in the natural world. He uses the imagery of God spreading his light upon the earth and covering the bottom of the sea. This imagery is meant to convey the idea of God's omnipresence and control over all of creation. The imagery of light and the sea also carry symbolic meaning, which we will explore in this commentary.

The theme of God's omnipresence and control over creation is a common one throughout the Bible, and it is particularly prominent in the book of Job. Job is a book that deals with the problem of human suffering and the question of why bad things happen to good people. Throughout the book, Job and his friends grapple with the mystery of God's ways and the seeming injustice of Job's suffering. In this passage, Elihu is reminding Job of the greatness of God and His power over all of creation. This theme serves to remind Job that God is ultimately in control and that His ways are beyond human understanding.

The imagery of light in this verse is significant because light is often used as a symbol of God's presence, guidance, and purity in the Bible. In this verse, God is depicted as spreading His light upon the earth, which symbolizes His presence and guidance in the world. This imagery is meant to convey the idea that God is actively involved in the world and that His light shines upon all of creation. It is a reminder that God is always with us, even in the darkest of times.

The imagery of the sea in this verse also carries symbolic meaning. The sea is often used in the Bible as a symbol of chaos, danger, and the unknown. In this verse, God is depicted as covering the bottom of the sea, which symbolizes His control and sovereignty over the chaotic and unpredictable forces of the world. This imagery serves to remind us that God is not just the creator of the world, but also its ruler, and that even the depths of the sea are subject to His control.

Overall, this verse is a powerful reminder of the majesty and power of God. It conveys the idea of God's omnipresence and control over all of creation, using the imagery of light and the sea to symbolize His presence, guidance, and sovereignty. In the context of the book of Job, this verse serves to remind Job of the greatness of God and His ultimate control over the world, even in the midst of suffering and uncertainty. It is a message of hope and reassurance, reminding us that God is always with us and that His ways are beyond our understanding.