To Soderini the duke expounded his just grievance, founded upon the Florentines' Unobservance of the treaty of Forno dei Campi; he demanded that a fresh treaty should be drawn up to replace the broken one, and that, for the purpose, Florence should change her government, as in the ruling one, after what had passed, he could repose no faith.
"The Life of Cesare Borgia"
Raphael Sabatini