IN 490 B.C.E. at the historic battle of Marathon, from 10 thousand to 20 thousand Athenians faced a greatly superior Persian army. A key factor in the Greek tactics was the phalanx—a block of soldiers marching in tight formation. Their shields presented an almost unbroken wall of armor, one bristling with spears. The phalanx gave the Athenians a famous victory over the vastly superior forces of the Persians.
True Christians are engaged in spiritual warfare. They contend with powerful foes—the invisible rulers of the present wicked system, who are described in the Bible as “the world rulers of this darkness, . . . the wicked spirit forces in the heavenly places.” (Ephesians 6:12; 1 John 5:19) God’s people continue to be victorious—but not in their own strength. All credit goes to Jehovah, who safeguards and instructs them, as stated at Psalm 18:30: “The saying of Jehovah is a refined one. A shield he is to all those taking refuge in him.”
Yes, by means of his refined “saying,” which is contained in the Sacred Scriptures, Jehovah shields his loyal servants from spiritual harm. (Psalm 19:7-11; 119:93) Concerning the wisdom manifest in God’s Word, Solomon wrote: “Do not leave it, and it will keep you. Love it, and it will safeguard you.” (Proverbs 4:6; Ecclesiastes 7:12) How does divine wisdom safeguard us against harm? Consider the example of ancient Israel.