A.B. Simpson emphasizes our identity as believers in Christ, highlighting that we are 'strangers and pilgrims' in this world, called to a high and holy character. He explains that while we are elect and chosen by God, our election is tied to our obedience and sanctification through the Holy Spirit. Simpson encourages believers to embrace their new identity as 'living stones' and 'a holy priesthood,' reminding us that our true home is in heaven, and we should live in anticipation of our eternal calling. He warns against conforming to the world, urging us to maintain our distinctiveness as God's chosen people. Ultimately, he calls us to live with a longing for our heavenly home, reflecting on the importance of investing our lives in eternal treasures.