F.B. Meyer emphasizes the significance of Aaron's separation as a priest, drawing parallels to our own calling to live a separated life dedicated to God. He highlights the threefold office of intercession, ministry, and blessing, urging believers to engage in fervent prayer for others, serve with a unified purpose for God's glory, and actively bless those around them. Meyer encourages Christians to embody these roles, reminding them that true closeness to God enables them to impact the world positively. The sermon calls for a deeper commitment to spiritual growth and service, reflecting the essence of being chosen priests in Christ.