Physically there is nothing to distinguish human society from the farm-yard except that children are more troublesome and costly than chickens and calves and that men and women are not so completely enslaved as farm stock.
DAY, n. A period of twenty-four hours, mostly misspent. This period is divided into two parts, the day proper and the night, or day improper - the former devoted to sins of business, the latter consecrated to the other sort.
There are all kinds of businesses that Charlie and I don't understand, but that doesn't cause us to stay up at night. It just means we go on to the next one, and that's what the individual investor should do.