Left to themselves, things tend to go from bad to worse. Murphy's First Corollary If you tell the boss you were late for work because you had a flat tire, the next morning you will have a flat tire.
如果任其发展，情况往往会越来越糟。墨菲的第一个推论是，如果你告诉老板你上班迟到了，因为你的车胎没气了，第二天早上你的车胎就会没气。