I love rock cairns, love to see them and I love building them.  (I know some people do not like them being built except for directional purposes but I don't mind, as long as they're not in a place where they'd confuse somebody.) But their real use is what inspired this verse.

Greeting card reproduced from my handmade collage with original verse.  4.5" x 6.25".  Blank inside.  Comes with a white envelope.