What if the sheep be weak, yet is the shepherd strong to guard his flock from the prowling wolf or the roaring lion. If the sheep suffer privation because the soil is barren, yet is the shepherd able to lead them into pasturage suitable for them. If they be foolish, yet he goes before them, cheers them with his voice, and rules them with the rod of his command. There cannot be a flock without a shepherd; neither is there a shepherd truly without a flock. The two must go together. They are the fullness of each other. As the church is the fullness of him that filleth all in all, so we rejoice to remember that “of his fullness have all we received, and grace for grace.” That I am like a sheep is a sorry reflection; but that I have a shepherd charms away the sorrow and creates a new joy.
From a sermon by Charles Haddon Spurgeon entitled "The Sheep And Their Shepherd."