The account of Abraham and Abimelech in Genesis 20 serves as one of several early biblical examples illustrating that sin, at its core, is ultimately committed against God rather than merely against other people. In this episode, Abraham had entered Abimelech's territory and claimed that Sarah was his sister, leading Abimelech to intend to take her as his wife. When God spoke to Abimelech in a dream, He acknowledged that Abimelech had acted "in the integrity of his heart," but significantly, God stated, "I also withheld you from sinning against Me." This phrasing is notable: even though the potential wrongdoing would have directly involved Abraham and Sarah, God frames the matter as a sin that would have been committed against Himself. This example is presented alongside two other Genesis narratives to establish a broader pattern found throughout the Old Testament. In Genesis 13, concerning the men of Sodom, Scripture specifically states that their sin was "against the Lord," rather than describing it merely as wickedness against one another. Similarly, in Genesis 39, Joseph refuses Potiphar's wife by reasoning that betraying Potiphar's trust would ultimately constitute "this great wickedness, and sin against God." Though Joseph clearly recognized that such an act would wrong Potiphar, his deeper concern was the offense it would represent before God. These three accounts—Sodom, Abimelech, and Joseph—demonstrate that this principle appears repeatedly and early in Scripture, even though it becomes so firmly established that it is rarely restated explicitly in the New Testament, much like the Sabbath command is assumed rather than repeated once it is universally understood and practiced. The only clear New Testament echo of this concept appears in the Parable of the Prodigal Son, who declares that he has sinned "against heaven" in the sight of his father, notably not saying he sinned against his father directly. This theme culminates in David's Psalm of repentance (Psalm 51), where, despite having committed adultery, arranged a murder, and caused immense human suffering, David declares to God, "Against You, You only, have I sinned." This is not a denial of the human harm he caused, but a stark contrast highlighting that the true severity of his sin lay in his betrayal of his relationship with God, which encompassed all the blessings, mercy, and promises God had given him. The Abimelech account, therefore, functions as an early and clear illustration of a foundational biblical truth: while sin often harms other people and damages human relationships, its ultimate offense is against God. This truth calls for a proper response to wrongdoing that includes patience and reconciliation with others, but more importantly, it demands recognition that every sin is ultimately a violation of one's relationship with God, requiring genuine repentance directed first and foremost toward Him.