关于人生观的英语作文

　　Asisapparentlyrevealedinthecartoonabove，thesheepliveshappilyinanoptimisticstateofmind，ignoringthethreatofadarkshade，becausehebelievesthatwherethereisshadow，thereissunshine。Whatisconveyedinthepictureisbothpositiveandilluminating。Asfarasthepurposeofthedrawerisconcerned，Ithinkheintendstoremindusoftheimportanceofoptimism。Ifthesheepinthecartoonfeelsanxiousandpessimisticaboutthedarkshadealldaylong，hecanbynomeanshaveacomfortableandhappylife。Exampleslikethisarenumerous，butIthinkthefollowingonewillbeconvincingenough。Ifthereishalfacupofwater，thepessimistmaycryoveritbecausetheyhaveonlyahalf，whiletheoptimistmaycheerforitbecausetheystillhaveahalf。Obviously，theywillhavedifferentperceptionsandfeelingstowardthesamelife。
　　Thereisnodenyingthat，mostoptimistshaveahighhappinessindex，whichcanhardlybeexperiencedbypessimists。Therefore，wemustreadourlifewithapositiveattitude。Wsmore，theoptimisticattitudecaninfectothersstrongly，meaningthatwewillfindthatallthefriendsaroundusareoptimisticifweobservetheminthesameperspective。Asaresult，anatmosphereofoptimismandhappinesscouldbenaturallysetup。Therefore，skeepthefamouslineofShelley，thewellknownpoet，inmindforever，thatis，Ifwintercomes，canspringbefarbehind？