Chenoweth, Wittgenstein or Epictetus

Their team identified over 200 violent revolutions and over 100 nonviolent campaigns. Twenty-six percent of the violent revolutions were successful, while 53 percent of the nonviolent campaigns succeeded. Moreover, looking at change in democracy (Polity IV scores) indicates that nonviolence promotes democracy while violence promotes tyranny.

https://rationalinsurgent.com/2013/11/04/my-talk-at-tedxboulder-civil-resistance-and-the-3-5-rule/