0 To Our Venerable Brethren the Patriarchs, Primates,Archbishops, Bishops, and other ordinaries of places having Peace andCommunion with the Apostolic See. Rights and Duties of Capital and Labor That the spirit ofrevolutionary change, which has long been disturbing the nations of the world,should have passed beyond the sphere of politics and made its influence felt inthe cognate sphere of practical economics is not surprising. The elements of theconflict now raging are unmistakable, in the vast expansion of industrialpursuits and the marvellous discoveries of science; in the changed relationsbetween masters and workmen; in the enormous fortunes of some few individuals,and the utter poverty of the masses; the increased self reliance and closermutual combination of the working classes; as also, finally, in the prevailingmoral degeneracy. Themomentous gravity of the state of things now obtaining fills every mind withpainful apprehension; wise men are discussing it; practical men are proposingschemes; popular meetings, legislatures, and rulers of nations are all busiedwith it - actually there is no question which has taken deeper hold on thepublic mind.
Source: Rerum Novarum (Vatican.va)