"Physical violence is dramatic. It's especially dramatic when you talk about it and don't resort to it. But actual violence is an old-fashioned method of conducting a strike. And mass action, paralyzing all industry, is a new-fashioned and a much more feared method of conducting a strike. That does not mean that violence shouldn't be used in self-defense. Everybody believes in violence for self-defense. Strikers don't need to be told that. But the actual fact is that in spite of our theory that the way to win a strike is to put your hands in your pocket and refuse to work..."
January 1, 1970
https://en.wikiquote.org/wiki/Elizabeth_Gurley_Flynn