restimatethe\rproblems.Courageandconfidencewillfacilitateourfindingtherightwaystothe\rproblems.Withoutconfidence,wewillbecomeindecisiveanddoubtfulaboutour\rcapabilities,unabletofulfillevenasimpletasklikecommunicatingeffectivelyinajob\rinterview.\rNumerouscasesdemonstratethecrucialroleofconfidenceinchallengingsituations.\rThestoryofHelenKellerisaneminentone.Aseriousinfectiousillnesscausedher\rblindnessanddeafnessattheageoftwo.WiththehelpofAnneSullivan,herteacherand\rcompanionuntilAnneSullivan'sdeath,HelenKellerbuiltherself-confidenceand\rconqueredmanyhandicaps,becomingthefirstblind-deafpersontoearnaBachelorofArts\rDegree.Eventually,sheachievedconsiderablesuccessasafamouswriterandeducator.It\risevidentfromtheabovestorythatonlywithstrongconfidencecanweperformbetterand\rturnfailureintovictory.