Discovering the joys of river voyages: A wise Winnie the Pooh reflected: "If you stand on the bottom rail of a bridge and lean over to watch the river slipping slowly away beneath you, you will suddenly know everything there is to be known."
Is there any better natural metaphor for life and the flux of time than these moving collections of water droplets inexorably drawn by gravity to join the immensity of the sea? Doing our best to make sense of the world, we give waterways names and treat them as if they are permanent, but traveling on a river breaks this spell.