▁which ▁they ▁give ▁a ▁second ▁warning ▁and ▁say ▁that ▁they ▁have ▁chosen ▁to ▁share ▁their ▁secret ▁sciences ▁with ▁Young er ▁Bro ther ▁so ▁that ▁Young er ▁Bro ther ▁can ▁help ▁change ▁the ▁world ▁for ▁the ▁better . ▁ ▁Cos m ology ▁and ▁so cio - rel ig ious ▁concepts ▁ ▁Trad itional ▁K og i ▁religion ▁is ▁closely ▁related ▁to ▁the ▁structure ▁of ▁the ▁cos mic ▁universe ▁that ▁exists ▁in ▁dual istic ▁expressions . ▁ ▁On ▁a ▁cos mic ▁level , ▁the ▁sun ▁separ ates ▁the ▁universe ▁into ▁two ▁hem is pher es : ▁the ▁east / west ▁and ▁consequ ently ▁a ▁right / left . ▁The ▁K og i ▁use ▁this ▁dual istic ▁notion ▁to ▁elaborate ▁on ▁a ▁number ▁of ▁earth ly ▁div ides : ▁man / w oman , ▁male / f em ale , ▁heat / c old , ▁light / dark , ▁and ▁right / left . ▁They ▁believe ▁each ▁of ▁these ▁group ings ▁are ▁complement ary ▁oppos ites . ▁Within ▁each ▁pair , ▁one ▁cannot ▁surv ive ▁without ▁the ▁other . ▁In ▁the ▁case ▁of ▁good ( right )/ ev il ( left ), ▁the ▁K og i ▁believe ▁comm itting ▁a ▁sin ▁once ▁in ▁a ▁while ▁serves ▁as ▁a ▁just ification ▁for ▁the ▁existence ▁of ▁good . ▁These ▁natural ▁oppos ites ▁are ▁a ▁way ▁to ▁keep ▁the ▁society ▁bal anced ▁or ▁“ in ▁agreement ” ▁( y ulu ka ). ▁ ▁The ▁two ▁hem is pher es ▁are ▁then ▁divided ▁into ▁four ▁segments : ▁North / S