the war, they feared they would no longer conquer under him, and for this reason they were not willing, nor were they able, to let him go; and so, not to lose again that which they had acquired, they were compelled, in order to secure themselves, to murder him. They had afterwards for their captains Bartolomeo da Bergamo, Roberto da San Severino, the Count of Pitigliano, and the like, under whom they had to dread loss and not gain, as happened afterwards at Vaila, where in one battle they lost that which in eight hundred years they had acquired with so much trouble. Because from such arms conquests come but slowly, long delayed and inconsiderable, but the losses sudden and portentous.
And as with these examples I have reached Italy, which has been ruled for many years by mercenaries, I wish to discuss them more seriously, in order that, having seen their rise and progress, one may be better prepared to counteract them. You must understand that the empire has recently come to be repudiated in Italy, that the Pope has acquired more temporal power, and that Italy has been divided up into more states, for the reason that many of the great cities took up arms against their nobles, who, formerly favoured by the emperor, were oppressing them, whilst the Church was favouring them so as to gain authority in temporal
