People try non-violence for a week, and when it 'does not work' they go back to violence which hasn't worked for centuries.
Theodore Roszak
Quoted in Thinking Green! Essays on Environmentalism, Feminism, and Nonviolence by Petra K. Kelly, Parallax Press, Berkeley, California, 1994
Quoted in Thinking Green! Essays on Environmentalism, Feminism, and Nonviolence by Petra K. Kelly, Parallax Press, Berkeley, California, 1994