Everlasting to Everlasting

As for mortals, their days are like grass; they flourish like a flower of the field; for the wind passes over it, and it is gone, and its place knows it no more.
But the steadfast love of the Lord is from everlasting to everlasting on those who fear him, and his righteousness to children’s children, to those who keep his covenant and remember to do his commandments.
 
Ps 103:15-18 

An indifferent or even hateful immortal being would be of little assurance to the helpless. But here we see human transience put in the context not of God's eternity, but of the constancy of God's love. I think it's especially touching that the psalmist here compares the human concept of loveliness with the true beauty that is an attribute of God.

I am, due to my human nature, shortsighted. I only think of myself and my perception of what's good for me. God sees beyond the years and divine love
is already at work to bring the best to God's children in generations to come.

I am fleeting, Lord, and yet I think I know best. I know what I feel now, therefore I imagine that what's best for me is what's best for the world. And yet your love will endure long after I'm gone. I can only pray, therefore, that my life will continue not as I understand it, but in your steadfast love. I pray it in Jesus' Name, who taught me to pray...