People tend to be more impressed by evidence that seems to confirm some relationship. Thus many are (36) their dreams are prophetic (预言的) because a few have come true; They fail to (37) the many that have not. Consider also the belief that "the phone always rings when I’ m in the shower." If it does ring while you are in the shower, the will stand out and be (38) . If it doesn’t ring, that non- probably won’t even register (留下印象). People want to see order, (39) and meaning in the world. Consider, for example, the (40) belief that things like personal misfortunes, plane crashes, and deaths "happen in threes." Such beliefs stem from the (41) of people to allow the third to (42) the time period. If three plane crashes occur in a month, then the period of time that counts as their "happening (43) "is one month; if three crashes occur in a year, the period of time is stretched. (44) . We also tend to believe what we want to believe. A majority of people think they are more intelt, more fair - minded and more skilled behind the wheel of an automobile than the average person. (45) As economist Thomas Schelling explains, "Everybody ranks himself high in qualities he values: careful drivers give weight to care, skilled drivers give weight to skill, and those who are polite give weight to courtesy, "This way everyone ranks high on his own scale. Perhaps the most important mental habit we can learn is to be cautious (谨慎的) in drawing conclusions. (46) .