If a little day-dreaming is dangerous, the cure for it is not to dream less but to dream more, to dream all the time. One must have a thorough understanding of one’s day-dreams if one is not to be troubled by them; there is a way of separating one’s dreams from one’s life which so often produces good results that I wonder whether one oughtn’t to try it just in case, simply as a preventative, as certain surgeons suggest that, to avoid the risk of appendicitis later on, we ought all to have our appendixes taken out when we’re children.”