Because the evil one desires to undermine the spiritual stability of all who follow Christ, Paul exhorted the believers in Ephesus to take up the shield of faith. The darts that Satan aims at Christians are subtle, varied, and deadly, so Alistair Begg urges us to follow Paul’s instruction by trusting in the Gospel personally, consistently, and corporately. The enemy is fierce and relentless, but Christ has triumphed and His victory is ours.