 so that you become useful and fruitful. That is beneficial. You know, sand on the beach is free. Just walk on the sand, it's free. That same sand, if you want sand for the playground, you got to go to Lowe's or Home Depot and buy it. It's free sand in a plastic bag, and then it costs you. If you want sandpaper, all it is is sand on paper with glue, but you got to buy it.