Why is faith in Christ alone important for Christians?

Faith in Christ alone is foundational for Christian belief as it recognizes that individuals cannot achieve righteousness on their own. Bartimaeus exemplifies this when he discards his garment—symbolizing his past efforts and reliance on the flesh—in order to come to Christ. Jesus' response, 'Your faith has made you whole,' highlights that true faith is not about our works but about trusting in Christ's finished work of redemption. The belief that Christ alone can save is crucial because it centers salvation on His grace rather than our merit, as seen in Ephesians 2:8-9, which teaches that we are saved by grace through faith, not of works lest any man should boast.