Foreveryfriend,whetheryouareamayororcitizens,whetheryouareageneraiorsoldiers,thisbookwillbeaboutyou.Ifweputthequestion:doyouknowoneselfability?Inordertofindtherightanswer,youmaywanttorepeatedspeculation.Althougheveryonemaybemorethanonceasked:"Iactuallyiswhat?Myability?IfIcompletelycontrolmystrengthandmywholepotential,Iexactlywhatkindofthingstomake?"However,veryfewsomebodycanfullyrealizehispotential.But,thisisalsosimplybyabstractmannertoputforwardquestions,nottomentionaperson'sbodyandcharacteristicsofapotentialproblem,alsonotusescientificlanguagetotalkabouttheirbehavior.Indeed,everyoneofustoourfeelingsandintellectualimageishowtoreflecttheworldunderstanding?Weallknowourbehaviorishowtochange?Weallknowourmindishowtoshape?Amongus,whatpersonistestyourselfeyesightacceptspeed,checksonownattentionspan,graspthedistinctionissomethingdifferenttime,knowoneselfofmemory,comprehensivestrengthandcontrolledemotionsability,etc.Lackoftheseinformation,itisimpossibletodescribepeople'spsychologicalbehavior,hecannotobjectivelyappraisalonespecificindividualability.Then,generallyspeaking,peoplewillbehowtograsptheseabilities?