A lot of great fortunes in the world have been made by owning a single wonderful business. If you understand the business, you don't need to own very many of them.
In this troublesome world, we are never quite satisfied. When you were here, I thought you hindered me some in attending to business; but now, having nothing but business---no variety---it has grown exceedingly tasteless to me. I hate to sit down and direct documents, and I hate to stay in this old room by myself.