<p>How 21st-Century Evangelicals Can Pursue Spiritual Growth through Early Modern Puritan Piety<br>"Keep your heart" (Proverbs 4:23). "Work out your own salvation with fear and trembling" (Philippians 2:12). "Grow in the grace and knowledge of our Lord and Savior Jesus Christ" (2 Peter 3:18). Scripture beckons Christians toward obedience and maturity, but many modern approaches to spiritual formation are less than biblical. In A Heart Aflame for ...