The Prince by Niccolo Machiavelli Chapter 20 Page 6

Doubtless, Princes become great by vanquishing difficulties and opposition, and Fortune, on that account, when she desires to aggrandize a new Prince, who has more need than an hereditary Prince to win reputation, causes enemies to spring up, and urges them on to attack him, to the end that he may have opportunities to overcome them, and make his ascent by the very ladder which they have planted. For which reason, many are of the opinion that a wise Prince, when he has the occasion, ought dexterously to promote hostility to himself in certain quarters, in order that his greatness may be enhanced by crushing it.

Princes, and new Princes especially, have found greater fidelity and helpfulness in those whom, at the beginning of their reign, they have held in suspicion, than in those who at the outset have enjoyed their