Parkinsons law is a proverb by a british scholar named cyril northcote parkinson 1909 - 1993 who noted that people will take all the time necessary in order to complete an activity 帕金森定律是英国的学者cyril northcote parkinson ( 1909 - 1993 )的一句谚语,他写到,人们为了完成一项活动将会利用到所有必要的时间