Although answered questions can still be re-asked, this question has already been asked before, with a few answers, by /u/tach ,/u/random-dent and /u/SOAR21:
https://www.reddit.com/r/AskHistorians/comments/5robzn/assata_shakur_once_said_nobody_in_the_world/
I would like to ask a contributing question. Wasn't this the tactic employed by Martin Luther King and Gandhi? A peaceful appeal to morality? And if not, can they be put into context of this quote?