Quote
"A rolling stone gathers no moss.."

Moss
Moss
Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta sensu stricto. Bryophyta may also refer to the parent group bryophytes, which comprise liverworts, mosses, and hornworts. Mosses typically form dense green clumps or mats, often in damp or shady locations. The individual plants are usually composed of simple leaves that are generally only one cell thick, attached
"A rolling stone gathers no moss.."
"Put a mossy stone, With mortal name and date, a harp And bunch of wild flowers, carven sharp; Then leave it free to winds that blow, And patient mosses creeping; slow, And wandering wings, and footsteps rare Of human creature pausing there."
"But here there is no light, Save what from heaven is with the breezes blown Through verdurous glooms and winding mossy ways."
"My will is easy to decide, For there is nothing to divide. My kin don’t need to fuss and moan — "Moss does not cling to a rolling stone."