Genesis 6:5 in the King James Version of the Bible reads, "And God saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually."

This verse comes from the early chapters of the book of Genesis, which sets the stage for the entire biblical narrative. It describes the state of humanity before the great flood, which God decrees as a judgment against the wickedness of mankind.

The context of this verse is important for understanding its significance. In the preceding verses, the narrative describes how the sons of God took wives from the daughters of men, leading to the birth of the Nephilim, who were giants and renowned men of old. This intermingling of the divine and human realms led to a corruption of the earth and a proliferation of evil. The verse in question is God's response to the state of humanity at that time.

The themes present in this verse are numerous and profound. Firstly, it highlights the fallen nature of mankind and the pervasive presence of sin. The language used to describe the state of humanity as "only evil continually" emphasizes the depth and totality of the corruption that had taken hold. This echoes the broader biblical narrative of the fall of humanity in the Garden of Eden, where sin entered the world and marred the perfection of God's creation.

Another theme present in this verse is the divine judgment and justice of God. The fact that God saw the wickedness of man and took action speaks to His sovereignty and righteousness. It is a reminder that God is not indifferent to the state of His creation, and He will hold humanity accountable for their actions. This theme is echoed throughout the Bible, and finds its ultimate expression in the person of Jesus Christ, who bore the judgment for the sins of the world on the cross.

The verse also reveals the nature of the human heart and the consequences of unchecked sin. It speaks to the depravity and deceitfulness of the human heart, which is a recurring theme in the Bible. It serves as a sobering reminder of the consequences of a life apart from God, and the need for redemption and transformation.

Symbolism is also present in this verse, particularly in the imagery of God "seeing" the wickedness of man. This symbolizes God's omniscience and His intimate knowledge of the hearts of men. It conveys the idea that nothing is hidden from God, and He is fully aware of the state of humanity. This symbolism serves to underscore the inevitability of divine judgment and the futility of trying to hide or escape from God's gaze.

In conclusion, Genesis 6:5 in the King James Version of the Bible is a pivotal verse that captures the fallen state of humanity and the divine response to it. It is rich in themes of sin, judgment, and the nature of the human heart, and is pregnant with symbolism that points to the character and attributes of God. As such, it serves as a potent reminder of the need for salvation and the transformative power of God in the lives of His people.