Today’s devotion comes from 1 Peter 2:9-10.
“But you are a chosen race, a royal priesthood, a holy nation, a people for God’s own possession, so that you may proclaim the excellencies of Him who has called you out of darkness into His marvelous light; for you once were not a people, but now you are the people of God; you had not received mercy, but now you have received mercy.” 1 Peter 2:9-10.
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God’s purpose (in making us “a chosen race, a royal priesthood, a holy nation, a people for God’s own possession … the people of God”) is that we “may proclaim the excellencies of Him“.
As “a chosen race”, we proclaim with joy God’s absolute sovereignty.
As “a royal priesthood”, we proclaim with joy God’s tender mercies.
As “a holy nation”, we proclaim with joy God’s holy justice.
As “a people for God’s own possession”, we proclaim with joy that God is our Good Shepherd and that we do not want.
As “the people of God”, we proclaim with joy that God is our Faithful Father.
In conclusion, the Westminister Larger Catechism summarizes it well in Question and Answer 1.
“Question 1: What is the chief and highest end of man?
Answer: Man’s chief and highest end is to glorify God, and fully to enjoy him forever.”
Reformed Doctrine Daily Devotions 