Why is it important for Christians to have faith in what is unseen?

Faith in the unseen is crucial for Christians as it speaks to the assurance of things hoped for, grounded in the character and promises of God. In 1 Peter 1:8-9, the believer's faith in Jesus, despite His physical absence, results in a deeply personal encounter with His grace. This faith sustains the believer's trust in God’s eternal plan and the fullness of joy that comes from knowing Christ. It encourages believers to live in light of their eternal hope, rather than the immediate circumstances.