Ifyoudonotuseyourarmsoryourlegsforsometime,theybecomeweak:whenyoustartusingthemagain,theyslowlybecomestrongagain.Everybodyknowsthat.Yetmanypeopledonotseemtoknowthatmemoryworksinthesameway.

　　Whensomeonesaysthathehasagoodmemory,hereallymeansthathekeepshismemoryinpracticebyusingit.Whensomeoneelsesaysthathismemoryispoor,hereallymeansthathedoesnotgiveitenoughchancestobecomestrong.

　　Ifafriendsaysthathisarmsandlegsareweak,weknowthatitisnothisownfault(错误).Butifhesaysthathehasapoormemory,manyofusthinkthatitisjusthisownfault.

　　Haveyoueverfoundthatsomepeoplecan’treadorwritebutusuallytheyhavebettermemories?Thisisbecausetheycannotreadorwriteandtheyhavetorememberthings;theycannotwritethemdowninalittlenotebook.Theyhavetorememberdays,names,songsandstories;sotheirmemoryisbeingexercisedthewholetime.

　　Soifyouwanttohaveagoodmemory,learnfromthepeople:practiceremembering.