The great work which is to be done is to change public opinion, to indoctrinate, to set small groups to work here and there in different cities who will live a life of sacrifice, typifying the Catholic idea of personal responsibility. Numbers and organizations are not important. We are just beginning after all. But one person can do a tremendous amount of boring from within, in his office, factory, neighborhood, parish, and among his daily acquaintances and associates.
All the Way to Heaven :The Selected Letters of Dorothy Day (2010), p. 81