Definition and Context:
Universal corruption and violence refer to the pervasive moral decay and widespread violence that characterized humanity before the Great Flood, as described in the early chapters of Genesis. This period is marked by a significant departure from God's intended order and righteousness, leading to divine judgment.

Biblical References:
The primary biblical account of universal corruption and violence is found in Genesis 6:1-13. This passage describes the state of humanity and the earth before the flood, highlighting the extent of human wickedness and the resulting divine response.

Genesis 6:5-7 : "Then the LORD saw that the wickedness of man was great upon the earth, and that every inclination of the thoughts of his heart was altogether evil all the time. And the LORD regretted that He had made man on the earth, and it grieved Him in His heart. So the LORD said, 'I will blot out man, whom I have created, from the face of the earth—every man and beast and crawling creature and bird of the air—for I am grieved that I have made them.'"

Genesis 6:11-13 : "Now the earth was corrupt in the sight of God, and full of violence. And God looked upon the earth and saw that it was corrupt; for all living creatures on the earth had corrupted their ways. Then God said to Noah, 'I have decided to put an end to all living creatures, for the earth is filled with violence because of them. Therefore, behold, I will destroy both them and the earth.'"

Theological Implications:
1. Total Depravity: The narrative underscores the doctrine of total depravity, illustrating that humanity's sinful nature affects every aspect of life. The "every inclination of the thoughts of his heart was altogether evil" (Genesis 6:5) suggests a comprehensive corruption that permeates human existence.

2. Divine Grief and Justice: God's response to the corruption and violence is twofold: grief and justice. The passage reveals God's sorrow over human sinfulness, yet it also affirms His commitment to justice, as He resolves to cleanse the earth through the flood.

3. Covenantal Faithfulness: Despite the universal corruption, God's covenantal faithfulness is evident in His relationship with Noah. Genesis 6:8 states, "But Noah found favor in the eyes of the LORD." This indicates that even amidst widespread sin, God preserves a remnant through whom He will continue His redemptive purposes.

Historical and Cultural Context:
The account of universal corruption and violence is set in the antediluvian period, a time characterized by rapid population growth and increasing moral decline. The "sons of God" and "daughters of men" mentioned in Genesis 6:1-4 have been the subject of various interpretations, often seen as a contributing factor to the moral chaos of the time.

Moral and Ethical Lessons:
1. The Consequences of Sin: The narrative serves as a stark reminder of the consequences of unchecked sin and rebellion against God. It illustrates how sin can lead to societal decay and divine judgment.

2. The Call to Righteousness: Noah's example as a "righteous man, blameless among the people of his time" (Genesis 6:9) serves as a model for believers to pursue righteousness and integrity, even in a corrupt world.

3. God's Sovereignty and Mercy: While the flood narrative emphasizes God's judgment, it also highlights His sovereignty and mercy. God's provision of an ark for Noah and his family demonstrates His desire to save and preserve life, foreshadowing the ultimate salvation through Jesus Christ.

Conclusion:
The account of universal corruption and violence in Genesis serves as a foundational narrative for understanding the nature of sin, the character of God, and the necessity of divine intervention in human history. It calls believers to reflect on their own lives and the state of the world, urging a return to God's righteous standards.