" Soft washed river sand is still the best toy ever invented for children. It serves countless other purposes too. It cannot be beat for scouring dirty pots and pans and for cleaning wooden floors. Mixed with burnt powdered clam shells, you have the finest cement. Take a smooth slab of wood and cover it with tree or bush resin, sprinkle different colored river sand on the sticky resin to form colored pictures. River sand laid under animal traps prevent them from freezing down even in the coldest weather. River sand makes fine sidewalks and good insulation under buildings. "

― , How to Get out of the Rat Race and Live on $10 a Month