Never forget the age-old customs

“Whoever becomes the ruler of a city that is accustomed to freedom and does not destroy it can expect to be destroyed by it, for it can always find a pretext for rebellion in the name of its former freedom and age-old customs, which are never forgotten despite the passage of time or any benefits it has received. No matter what the ruler does or what precautions he takes, the inhabitants will never forget that freedom or those customs — unless they are separated or dispersed ...”

Machiavelli, The Prince