Fleastrainershaveobservedastrangehabitoffleaswhiletrainingthem.
Fleasaretrainedbyputtingtheminacardboardboxwithatoponit.Thefleaswilljumpupandhitthetopofthecardboardboxoverandoverandoveragain.Asyouwatchthemjumpandhitthelid,somethingveryinterestingbecomesobvious.Thefleascontinuetojump,buttheyarenolongerjumpinghighenoughtohitthetop.
Whenyoutakeoffthelid,thefleascontinuetojump,buttheywillnotjumpoutofthebox.Theywillnotjumpoutbecausetheycannotjumpout.Why?Thereasonissimple.Theyhaveconditionedthemselvestojumpjustsohigh.Oncetheyhaveconditionedthemselvestojumpjustsohigh.Oncetheyhaveconditionedthemselvestojumpjustsohigh,thatisalltheycando!
Manytimes,peopledothesamething.Theyrestrictthemselvesandneverreachtheirpotential.Justlikethefleas,theyfailtojumphigher,thinkingtheyaredoingaltheycando.
UsefulWordsandExpressions:
4.restrict限制,约束
berestrictedwithinnarrowlimits限于狭窄的范围内
berestrictedinone’smovements行动受限制