Why is believing in Christ important for salvation?

Belief in Christ is central to salvation as He is the one who fulfills the law and bears the righteousness necessary for our justification. Romans 8:3 speaks to this, noting that what the law could not do, God did by sending His own Son. If any part of our salvation depended on our actions, we would not be relying on Christ alone. Thus, our faith in Him secures not just forgiveness of sins but also the righteousness we need to stand before God, highlighting the all-sufficiency of Christ's redemptive work.