Idleness or boredom has no place in the life of a Christian.

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.

Man'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.

The international trading system was devised by the rich to suit their needs; it ignores those of the poor.

If 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."

Man is suddenly becoming aware that by an ill-considered exploitation of nature he risks destroying it and becoming in his turn the victim of this degradation. Not only is the material environment becoming a permanent menace - pollution and refuse, new illness and absolute destructive capacity - but the human framework is no longer under man's control, thus creating an environment for tomorrow which may well be intolerable. This is a wide-ranging social problem which concerns the entire human family.

Liturgy is like a strong tree whose beauty is derived from the continuous renewal of its leaves, but whose strength comes from the old trunk, with solid roots in the ground.