In addition to protective wear, soldiers must also arm themselves for battle. In spiritual warfare, Christian soldiers take up the sword of the Spirit, which is the Word of God. Contemporary culture often regards the Bible as irrelevant, but as Alistair Begg demonstrates, God’s Word is no ordinary book: it speaks with clarity, authority, and veracity, and is necessary for coming to faith. God cannot be found through human investigation, but He reveals Himself generally through His creation, specially through His Word, and ultimately through His Son.