After all, I was doing no more than concentrate in a single evening the carelessness that, for most men, is diluted throughout their whole existence, in which every day they face, unnecessarily, the dangers of a sea-voyage, of a trip in an aeroplane or motor-car, when there is waiting for them at home the creature whose life their death would shatter, or when there is still stored in the fragile receptacle of their brain that book the approaching publication of which is their one object, now, in life.