In this lesson we look at three more pieces of armor: the Breastplate of Righteousness, Feet Shod with Peace, and the Shield of Faith.
Self-righteousness is like pride – it is hard to see in our own lives. A Biblical example of self-righteousness is the Prodigal Son … that is, the Elder Brother. He was not happy with his father and refused to join in the party. In his self-righteousness, he looked down from his superior moral perch upon his brother, exhibiting not an ounce of mercy or kindness. Rather, he comforted himself in his own joyless servitude, assuming that he kept his father’s commands righteously. Only when we wrap ourselves in the Breastplate of Christ’s Righteousness can we see and defeat Satan’s temptation to trust in our own works.
Feet Shod with Peace is both offensive and defensive: offensive because we invade the enemy’s territory with the good news of God’s offer of peace; defensive because it is only the doctrine that Christ has secured our peace with a just God that gives us real assurance.
As the Heidelberg Catechism teaches, the Shield of Faith is both a certain knowledge and a hearty trust. How do we make certain knowledge of doctrine into a hearty trust? The Bible teaches us that faith comes by hearing, and hearing by the word of God. We must delight in the preaching of the word of God. Ultimately, Christ is our Shield. He is the one who extinguishes the darts of the enemy, which come unexpectedly and resembles ambushes of the battlefield.
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Kurt Snow serves as a ruling elder at Covenant Reformed Church of Sacramento (RCUS). He served as a member of the Board of Governors of City Seminary of Sacramento from 2000 to 2020.