This document discusses putting on the full armor of God, with a focus on the breastplate of righteousness. It explains that the breastplate was meant to protect a soldier's vital organs and without it one would be vulnerable. Spiritually, the breastplate of righteousness protects our hearts from the enemy's attacks. The document explores what it means to have righteousness, noting that it is found through our relationship with God who declares us righteous through faith in Jesus. We are advised to remember this righteousness and strive to live lives reflecting our righteous status through wise, God-honoring decisions and participation with Him.