Niccolò Machiavelli,
A description of the methods adopted by the Duke Valentino when murdering Vitellozzo Vitelli…
“ He left Cesena about the middle of December, and went to Fano, and with the utmost cunning and cleverness he persuaded the Vitelli and Orsini to wait for him at Sinigalia, pointing out to them that any lack of compliance would cast a doubt upon the sincerity and permanency of the reconciliation, and that he was a man who wished to make use of the arms and councils of his friends. But Vitellozzo remained very stubborn, for the death of his brother warned him that he should not offend a prince and afterwards trust him ”
