49 All, according to their state, should strive to bring alive the wondrous virtues of our heavenly Queen and most loving Mother through constant effort of mind and manner. Thus will it come about that all Christians, in honoring and imitating their sublime Queen and Mother, will realize they are truly brothers, and with all envy and avarice thrust aside, will promote love among classes, respect the rights of the weak, cherish peace. No one should think himself a son of Mary, worthy of being received under her powerful protection, unless, like her, he is just, gentle and pure, and shows a sincere desire for true brotherhood, not harming or injuring but rather helping and comforting others.
Source: Ad Caeli Reginam (Vatican.va)