ain - head " ▁from ▁which ▁" all ▁rights ▁arise ." ▁For ▁his ▁definition ▁of ▁justice , ▁B ract on ▁quoted ▁the ▁tw elf th - century ▁Italian ▁jur ist ▁A zo : ▁"' Just ice ▁is ▁the ▁constant ▁and ▁un fail ing ▁will ▁to ▁give ▁to ▁each ▁his ▁right .' " ▁B ract on ' s ▁work ▁was ▁the ▁second ▁legal ▁treat ise ▁studied ▁by ▁the ▁young ▁app rent ice ▁lawyer ▁Thomas ▁Jefferson . ▁ ▁Fort esc ue ▁str essed ▁" the ▁supre me ▁importance ▁of ▁the ▁law ▁of ▁God ▁and ▁of ▁nature " ▁in ▁works ▁that ▁" pro found ly ▁influenced ▁the ▁course ▁of ▁legal ▁development ▁in ▁the ▁following ▁centuries ." ▁The ▁legal ▁scholar ▁Ell is ▁S ando z ▁has ▁noted ▁that ▁" the ▁histor ically ▁ancient ▁and ▁the ▁ont olog ically ▁higher ▁law — et ernal , ▁divine , ▁natural — are ▁w oven ▁together ▁to ▁compose ▁a ▁single ▁harm on ious ▁texture ▁in ▁Fort esc ue ' s ▁account ▁of ▁English ▁law ." ▁As ▁the ▁legal ▁historian ▁Norman ▁Do e ▁explains : ▁" F ort esc ue ▁follows ▁the ▁general ▁pattern ▁set ▁by ▁Aqu inas . ▁The ▁objective ▁of ▁every ▁legisl ator ▁is ▁to ▁dispose ▁people ▁to ▁virtue . ▁ ▁It ▁is ▁by ▁means ▁of ▁law ▁that ▁this ▁is ▁accomplished . ▁Fort esc ue ' s ▁definition ▁of ▁law ▁( also ▁found ▁in ▁Acc ur si us ▁and ▁B ract on ), ▁after ▁all , ▁was ▁' a ▁sacred ▁san ction ▁command ing ▁what ▁is ▁virt uous ▁[ hon