In these cases, where there is an unjust aggression, I can only say that it is licit to stop the unjust aggressor. I emphasize the word: "stop". I'm not saying drop bombs, make war, but stop the aggressor. The means used to stop him would have to be evaluated.
Pope FrancisOur efforts must aim at restoring hope, righting wrongs, maintaining commitments, and thus promoting the well-being of individuals and of peoples.
Pope FrancisA small step, in the midst of great human limitations, can be more pleasing to God than a life which appears outwardly in order but moves through the day without confronting great difficulties.
Pope Francis