The goal of the common good is the progress of society; however, this cannot be achieved without a peaceful and harmonious society. Peace is not something that can be achieved once and for all, but something that has to be built constantly, that requires patience and that is sought by the public as a whole. Peace: protection of common goods, unity of all peoples. Catechesis on the family, in collaboration with Fr. Eric Frank Randriamiandrinirinarivo.