Theimagesabovearebothmeaningfulandinstructive:thisman'shardworkisnotonlyforhisownbenefit,butalsoforthebenefitoffuturegenerations.
Thepicturesservetoremindusthattheexistenceofourcurrenthappinessandvaluablenationalheritageisduetothestrugglesofourpredecessors.
We,inturn,shouldalsoworkhardinordertoguaranteethecomfortandsafetyofgenerationstocome.Sustainabledevelopmenthasbecomeatopicofheateddebateinrecentyears.Whileitisjustifiabletosatisfycurrentdemands,wecannotneglecttheneedsofourdescendantsintheprocess.OurchildrenalsodependonEarth'snaturalresourcesandweshouldnotdeprivethemofsuchnecessities.
Unfortunately,manypeopleonlythinkoftheirshortterm,personalinterests.Anentireforestmightbeclearcut,intheinterestofmakingaprofit,withoutasingletreeplantedinitsplace.Thisinconsiderateattitudetowardsthewelfareofourdescendants,aswelltheindifferencetotheoutcomeofsuchrecklessactions,canonlyturnEarthintoacoldandlifelessplanet.PeoplemustbetaughttoappreciateEarthasnotonlytheirhome,butalsothehomeofourchildrenandgrandchildren,aswellasallotherplantsandanimals.
Whilemakinggreateffortstoincreaseourcurrentqualityoflife,wemustsimultaneouslyconsiderhowouractionswillaffectfuturelives.