What does it mean that man is spiritually dead by nature?

The concept of spiritual death denotes that individuals are born in a state of separation from God because of Adam's sin. Ephesians 2:1 states, 'And you hath he quickened, who were dead in trespasses and sins.' This means that humanity’s fundamental problem is not merely sinful actions but a sinful nature inherited from Adam, which results in spiritual death. Accordingly, people cannot initiate their relationship with God; they require divine intervention through grace to be made alive in Christ. Understanding this truth emphasizes the need for Christ's redemptive work and assures believers that their life comes solely from Him.