Why is it important for Christians to have works alongside their faith?

For Christians, having works alongside faith is essential as it demonstrates the reality of their faith and relationship with Christ. True faith is not merely intellectual assent but a living, active trust in God that compels believers to act according to His will. James 2 provides examples, like Abraham's willingness to sacrifice Isaac and Rahab hiding the Israelite spies, illustrating that their actions proved their faith. Thus, while we are justified by faith alone, works become the visible expression of that faith, reflecting the transformative power of the gospel in a believer's life and serving as a testimony to the grace received through Christ.