Christ "is our peace" (Eph 2 :11). And today and for ever he repeats to us : "My peace I give to you, my peace I leave with you" (Jn 14 :27). Never before in the history of mankind has peace been so much talked about and so ardently desired as in our day. The growing interdependence of peoples and nations makes almost everyone subscribe—at least in principle—to the ideal of universal human brotherhood. Great international institutions debate humanity's peaceful coexistence. Public opinion is growing in consciousness of the absurdity of war as a means to resolve differences. More and more, peace is seen as a necessary condition for fraternal relations among nations, and among peoples. Peace is more and more clearly seen as the only way to justice; peace is itself the work of justice. And yet, again and again, one can see how peace is undermined and destroyed.
"True peace must be founded upon justice, upon a sense of the untouchable dignity of man, upon the recognition of an indelible and happy equality between men, upon the basic principle of human brotherhood, that is, of the respect and love due to each man because he is man".
Every human being has inalienable rights that must be respected. Each human community—ethnic, historical, cultural or religious—has rights which must be respected. Peace is threatened every time one of these rights is violated. The moral law, guardian of human rights, protector of the dignity of man, cannot be set aside by any person or group, or by the State itself, for any cause, not even for security or in the interests of law and order. The law of God stands in judgment over all reasons of State. As long as injustices exist in any of the areas that touch upon the dignity of the human person, be it in the political, social or economic field, be it in the cultural or religious sphere, true peace will not exist. The causes of inequalities must be identified through a courageous and objective evaluation, and they must be eliminated so that every person can develop and grow in the full measure of his or her humanity.
peace cannot be established by violence, peace can never flourish in a climate of terror, intimidation and death. It is Jesus himself who said : "All who take the sword will perish by the sword" (Mt 26 :52). This is the word of God, and it commands this generation of violent men to desist from hatred and violence and to repent.