The heart of the Christian life is faith. We begin by trusting Christ for our justification, but we continue on by faith. The author of Hebrews knew this and laid out a case for modern believers to walk like the saints of old (Hebrews 11). Then, because they lived by faith, so must we, so he likened this life to a race—"run with endurance the race that is set before us." (3 Minutes/600 Words)