1。Thenaturalburthensofanyparticularservice，maybecomprisedunderthefollowingheads：———Theintensityoflabourrequiredinitsperformance，———theulterioruneasinesswhichmayarisefromitsparticularcharacter，———thephysicaldangerattendingit，———theexpensesorothersacrificesnecessarymadepreviouslytoitsexercise，———thediscreditattachedtoit，———thepeculiarenmitiesitproduces。
Thewagesoflabourindifferentbranchesoftrade，areregulatedinexactproportiontothecombinationoftheseseveralcircumstances。Tothelegislator，however，exceptincaseswhereitmaybenecessarytoaddfactitioustonaturalreward，considerationsofthissortareingeneralsubjectsonlyofspeculation。
Thatanyparticularserviceismoreorlesshighlypriced，isoflittleimportance：itaffectstheindividualsonlywhostandinneedofit。Thecompetitionbetweenthosewhowantandthosewhocansupply，fixesthepriceofallservicesinthemostfittingmanner。Itissufficientthatthedemandbepublicandfree。Toassist，ifnecessary，ingivingpublicitytothedemand，andinmaintainingreciprocallibertyinsuchtransactions，isallthatthelegislatoroughtdodo。
2。Naturalrewardsareliabletobeinsufficient，inrelationtoservices，whoseutilityextendstothewholecommunity，withoutproducingparticularadvantagetoanyoneindividualmorethananother。Ofthisnaturearepublicemployments。Itistrue，manypublicemploymentsareattendedbynaturalrewardsintheshapeofhonour，power，themeansofservingone’sconnexions，anddeservingthepublicgratitude；
andwhentheserewardsaresufficient，factitiousrewardsaresuperfluous。