And here we must observe that men must either be cajoled or crushed; for they will revenge themselves for slight wrongs, while for grave ones they cannot. The injury therefore that you do to a man should be such that you need not fear his revenge.

Machiavelli, The Prince (wise, but scary)
https://coldewey.cc/2010/02/and-here-we-must-observe-that-men-must-either-be/ ยป