The task of evangelizing all people constitutes the essential mission of the Church. It is a task and mission which the vast and profound changes of present-day society make all the more urgent. Evangelizing is in fact the grace and vocation proper to the Church, her deepest identity. She exists in order to evangelize.
Pope Paul VIThe unique and indivisible existence of the Lord glorious in heaven, is not multiplied, but is rendered present by the sacrament in the many places on earth where Mass is celebrated. And this existence remains present, after the sacrifice, in the Blessed Sacrament, which is, in the tabernacle, the living heart of each of our churches.
Pope Paul VIMan's genius has with God's help produced marvelous technical inventions from creation, especially in our times. The Church, our mother, is particularly interested in those which directly touch man's spirit and which have opened up new avenues of easy communication of all kinds of news, of ideas and orientations.
Pope Paul VIPhysics does not change the nature of the world it studies, and no science of behavior can change the essential nature of man, even though both sciences yield technologies with a vast power to manipulate the subject matters.
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 VI