Robert Frost, "Stopping by Woods on a Snowy Evening"

One of the marks of great art is that you can never come to an end of appreciating it.  It stands before you, remarkably itself, as if it possessed a human soul, and perhaps, in a way, it does; or rather, a human soul has poured itself into the work, and you can no more learn it all the way through than you can know a human being all the way through.  A…