How does suffering refine a believer's faith?

1 Peter 1:6-7 explains that the trial of faith is more precious than gold, refined by fire, which signifies that suffering serves to purify and strengthen faith. Trials present opportunities for believers to rely completely on God, stripping away self-confidence and revealing true dependence on His grace. As trials intensify, believers learn that their perseverance is rooted not in their strength but in God’s sustaining power. Thus, suffering becomes a means of developing deeper reliance on God's promises, ultimately leading to greater spiritual maturity and growth.