Happinessisthemmostpreciousthinginlife.Withoutit,amanwillfeelthathisillfatehastakenchargeofhimandtheworldisutterlydarkanddreadful.Onthataccount,hisbodygrowsweaker,hisworkslackens,andaboveall,hethinkshewouldratherdiethanlive.”howtobehappy,then?”youmayask. 　　Now,thisistheverypuzzlethatwearegoingtosolve.First,dothingsinaccordancewithyourconscience;Thatis,dotoothers,asyouwouldhaveotherdotoyou.Secondly,paymoreattentiontoyourhealth,whichistherootofsuccess,forasoundconstitutionenablesyoutosucceed.Thirdly,worryandsorrowareofnouseatall!Incaseyoumeetwithsomehardsituation,youmusttrytoovercomeitwithoutanyhesitation.Willpowerisessentialtohappiness. 　　Andthelast,butnottheleast,adoptanoptimisticattitudetowardlife,fortheworldisstillinmakingandyoucanhaveashareinit.Inthisway,truehappinesscanbeobtained.