亚里士多德几乎能把所有看过的书一字不差地背诵出来。拿破仑能准确记住设置在法国海岸的大炮种类和位置,如果部下报告错误,他能及时纠错。他在制定法律的会议上,能随口引证自己19岁时在禁闭室看过的罗马法典。列宁则能准确记住国民经济统计的繁杂资料,他常常指导他的助手,到哪本书的哪一页去查证他所要的资料, Aristotle can barely recite all the books he read. Napoleon can accurately remember the type and location of cannons set on the French coast, and if his men report errors, he can correct them in time. At a law-making meeting, he casually cites the Roman code he read at the age of 19 in his cell closet. Lenin, on the other hand, can accurately remember the complicated data of the national economy and often instruct his aides, which page of the book to verify the information he wants,