Imperium Oceano, famam qui terminet astris."'

So Fr. Zoannetus, in the sixteenth century, declares it to be a mortal sin to resist the Empire, as the power ordained of God.

[312] Æneas Sylvius Piccolomini (afterwards Pope Pius II), De Ortu et Authoritate Imperii Romani. Cf. Gerlach Buxtorff, Dissertatio ad Auream Bullam.

[313] It has hitherto been the common opinion that the De Monarchia was written in the view of Henry's expedition. But latterly weighty reasons have been advanced for believing that its date must be placed some years later.

[314] Suggesting the celestial hierarchies of Dionysius the Areopagite.

[315] Quoting Aristotle's Politics.

[316] 'Non enim cives propter consules nec gens propter regem, sed e converso consules propter cives, rex propter gentem.'

[317] 'Reges et principes in hoc unico concordantes, ut adversentur Domino suo et uncto suo Romano Principi,' having quoted 'Quare fremuerunt gentes.'

[318] Especially in the opportune death of Alexander the Great.

[319] Cic., De Off., ii. 'Ita ut illud patrocinium orbis terrarum potius quam imperium poterat nominari.'