And as long as I've invoked the name of Mack Sennett, I should also note that everyone having their reasons is a maxim most famously enunciated by Jean Renoir, who might have recognized his own spaciousness of spirit in the film's generosity toward its conflicting and conflicted characters.

WSJ: A Separation | War Horse | Iron Lady | A Separation Comes Together Exceptionally | Film Review by Joe Morgenstern