You also realize, Venerable Brothers, that the Eucharist is reserved in churches or oratories to serve as the spiritual center of a religious community or a parish community, indeed of the whole Church and the whole of mankind, since it contains, beneath the veil of the species, Christ the invisible Head of the Church, the Redeemer of the world, the center of all hearts, 'by whom all things are and by whom we exist'.
Pope Paul VIThe important role of union organizations must be admitted: their object is the representation of the various categories of workers, their lawful collaboration in the economic advance of society, and the development of the sense of their responsibility for the realization of the common good.
Pope Paul VIIf the world is made to furnish each individual with the means of livelihood and the instruments for his growth and progress, each man has therefore the right to find in the world what is necessary for himself. The recent Council reminded us of this: "God intended the earth and all that it contains for the use of every human being and people. Thus, as all men follow justice and unite in charity, created goods should abound for them on a reasonable basis."
Pope Paul VIJustice is not always an open and shut case - sometimes we have to work for it. If you want peace, you must work for justice.
Pope Paul VI