...kes to do, but what he is able to do; and I am not able to do the half of what I could in a day only a few years ago, nor half as well as then. A long time before I came to this conclusion good old Dr. Jackson , whom you must remember, told me, in one of the last visits he ever made me, that he was reduced to one third. It seemed to me very strange, but I now find that my time is come, and coming. I fee...