<Li> Ignorance luck, that is, luck with factors one does not know about . Examples can be identified only in hindsight . </Li> <P> Another view holds that "luck is probability taken personally ." A rationalist approach to luck includes the application of the rules of probability and an avoidance of unscientific beliefs . The rationalist thinks that the belief in luck is a result of poor reasoning or wishful thinking . To a rationalist, a believer in luck who asserts that something has influenced his or her luck commits the "post hoc ergo propter hoc" logical fallacy: that because two events are connected sequentially, they are connected causally as well . In general: </P> <P> A happens (luck - attracting event or action) and then B happens; Therefore, A influenced B . </P> <P> More contemporary authors writing on the subject believe that the definition of good destiny is: One who enjoys good health; has the physical and mental capabilities of achieving his goals in life; has good appearance, and; has happiness in mind and is not prone to accidents . </P>

Where does the term good luck come from