Happinesshappinesshowtobehappyhappinessisthemmostpreciousthinginlife.withoutit,amanwillfeelthathisillfatehastakenchargeof(支配)himandtheworldisutterly(完全地)darkanddreadful(可怕的).onthataccount,hisbodygrowsweaker,hisworkslackens(变松弛),andaboveall,hethinkshewouldratherdiethanlive.”howtobehappy,then?”youmayask.now,thisistheverypuzzlethatwearegoingtosolve.first,dothingsinaccordancewithyourconscience(良心);thatis,dotoothers,asyouwouldhaveotherdotoyou.secondly,paymoreattentiontoyourhealth,whichistherootofsuccess,forasoundconstitution(体质)enablesyoutosucceed.thirdly,worryandsorrowareofnouseatall!incaseyoumeetwithsomehardsituation,youmusttrytoovercomeitwithoutanyhesitation(犹豫.willpower(意志力)isessential(不可缺的)tohappiness.andthelast,butnottheleast,adopt(采取)anoptimisticattitudetowardlife,fortheworldisstillinmakingandyoucanhaveashareinit.inthisway,truehappinesscanbeobtained.