Christians believe in original sin because Scripture teaches that all humanity is affected by the sin of Adam, as discussed in Romans 5.
Original sin is a doctrinal belief grounded in Scripture, primarily articulated in Romans 5, which asserts that through Adam's transgression, sin and death entered the world, affecting every descendant. This doctrine helps explain humanity's inherent sinful nature and inability to seek God without divine intervention. Since Adam acted as a representative for all mankind, his choice results in a sinful disposition inherited by all humans. Understanding original sin is crucial as it highlights the need for grace and the redemptive work of Christ, who offers salvation and righteousness to those who believe. It emphasizes that salvation is not a result of personal merit but solely a gift of God's grace.
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