16 Once the social center is thus established, all other institutions of an economic character concerned in various ways with the social problem will find themselves spontaneously united by their common end. At the same time, however, they will preserve their own individual structure, and in providing various needs they will still remain within the boundaries which their sphere of influence demands. At this point We are pleased to express Our satisfaction with the great good which in this regard has already been accomplished in Italy, and We feel certain that, with the help of God, much more will be done by this kind of zeal in the future to strengthen and increase the good already accomplished. The work of the Catholic Congresses and Committees is of singular merit, thanks to the intelligent activity of those capable men who plan and direct them. Such economic centers and unions, however, as We have previously stated at the end of the above mentioned Congresses, must continue to carry on in the same way and under the same expert direction.
Source: Il Fermo Proposito (Vatican.va)