Bill Staines' "River (Take Me Along)" has a fitting final verse, it seems to me.

Some day, when the flowers are blooming still,
Some day, when the grass is still green,
My rolling waters will round the bend
And flow into the open sea.
So here's to the rainbow that's followed me here,
And here's to the friends that I know,
Here's to the song that's within me now,
I will sing it wherever I go.

Sandy