73.  Those, then who are able, and they are without number, abstain both from flesh and from wine for two reasons:  either for the weakness of their brethren, or for their own liberty.  Charity is principally attended to.  There is charity in their choice of diet, charity in their speech, charity in their dress, charity in their looks.  Charity is the point where they meet, and the plan by which they act.  To transgress against charity is thought criminal, like transgressing against God.  Whatever opposes this is attacked and expelled; whatever injures it is not allowed to continue for a single day.  They know that it has been so enjoined by Christ and the apostles; that without it all things are empty, with it all are fulfilled. 106 Another Kind of Men Living Together in Cities.  Fasts of Three Days.