Niccolò Machiavelli,
Discourses on Livy (Neville) — Third Book…
(1531)
“ But often, the desire for victory blinds the minds of men who do not see anything else other then that which favors them. After the Gauls had overcome the Romans on the Allia, they came to Rome, and finding the gates open and unguarded, remained all that day and night without entering in fear of a deception, unable to believe that there should be so much baseness and so little counsel in the hearts of the Romans that they should abandon their country. ”
