But you are a chosen race, a royal priesthood, a holy nation, a people for God's own possession, that you may show forth the excellencies of him who called you out of darkness into his marvelous light:

 This word shepherd tells us most vividly of the ceaseless vigilance and the self-sacrificing love of God for us who are his flock. "We are his people and the sheep of his pasture" ( Psalms 100:3). 