It is called the real presence, not in an exclusive sense, as though other forms of presence were not real, but by reason of its excellence. It is the substantial presence by which Christ is made present without doubt, whole and entire, God and man.

For you deal here above all with human life, and human life is sacred; no one may dare make an attempt upon it. Respect for life, even with regard to the great problem of the birth rate, must find here in your Assembly its highest affirmation and its most rational defense. Your task is to ensure that there is enough bread on the tables of mankind, and not to encourage an artificial control of births, which would be irrational, in order to diminish the number of guests at the banquet of life.

Physics 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.

Based on technological research and the transformation of nature, industrialization constantly goes forward, giving proof of incessant creativity. While certain enterprises develop and are concentrated, others die or change their location. Thus new social problems are created: professional or regional unemployment, redeployment and mobility of persons, permanent adaptation of workers and disparity of conditions in the different branches of industry.

It is called the real presence, not in an exclusive sense, as though other forms of presence were not real, but by reason of its excellence. It is the substantial presence by which Christ is made present without doubt, whole and entire, God and man.

The transmission of human life is a most serious role in which married people collaborate freely and responsibly with God the Creator.

Without repeating everything that we have already mentioned, it is appropriate first of all to emphasize the following point: for the Church, the first means of evangelization is the witness of an authentically Christian life, given over to God in a communion that nothing should destroy and at the same time given to one's neighbor with limitless zeal. As we said recently to a group of lay people, “Modern man listens more willingly to witnesses than to teachers, and if he does listen to teachers, it is because they are witnesses.