Jacob Burckhardt, The Civilization of the Renaissance in Italy…
“ From this evil and from the ill-starred Guelph sympathies of Florence for a foreign prince, which familiarized it with foreign intervention, came all the disasters which followed. But who does not admire the people which was wrought up by its venerated preacher to a mood of such sustained loftiness that for the first time in Italy it set the example of sparing a conquered foe while the whole history of its past taught nothing but vengeance and extermination? The glow which melted patriotism into one with moral regeneration may seem, when looked at from a distance, to have soon passed away ”
