We have land, and we collect wheat. If with that, we feed a family, who do nothing, my wheat will be consumed, and at the end of the year, we will not be richer than we were at the beginning. But if by feeding my family, we occupy part of it to spin, the other to make bricks and other materials to build, the price of my wheat will remain, and at the end of the year, we will be all better dressed and better housed. You can Read more about it here.
But if instead of using a man to make bricks, we play the violin for fun, the wheat he consumes goes away, and no part of his work stays in my family to increase our riches and things that are pleasing to us. We will, therefore, be made poorer by my fiddle player, unless the rest of