One of the fleeting pleasures of life is the feeling of soft new grass between your toes in the springtime. As much as we take for granted the green carpet God created on the third day (Gen. 1:11), its fresh dew-covered blades make it the picture of life and prosperity. Thus, the coming of the messianic kingdom to the psalmist is “like rain upon the mown grass: as showers that water the earth” (Ps. 72:6). And the life-giving doctrine of God’s prophet drops “as the small rain upon the tender herb, and as the showers upon the grass” (Deut. 32:2)....