Each man, in his suffering, can also become a sharer in the redemptive suffering of Christ.

Condemning class struggle does not mean condemning every possible form of social conflict. Such conflicts inevitably arise and Christians must often take a position in the "struggle for social justice." What is condemned is "total war," which has no respect for the dignity of others (and consequently of oneself). It excludes reasonable compromise, does not pursue the common good but the good of a group, and sets out to destroy whatever stands in its way.

For a stalk to grow or a flower to open there must be time that cannot be forced; nine months must go by for the birth of a human child; to write a book or compose music often years must be dedicated to patient research ...To find the mystery there must be patience, interior purification, silence, waiting.

By the end of this decade we will live under the first One World Government that has ever existed in the society of nations ... a government with absolute authority to decide the basic issues of human survival. One world government is inevitable.

Every scientist, through personal study and research, completes himself and his own humanity. ... Scientific research constitutes for you, as it does for many, the way for the personal encounter with truth, and perhaps the privileged place for the encounter itself with God, the Creator of heaven and earth. Science shines forth in all its value as a good capable of motivating our existence, as a great experience of freedom for truth, as a fundamental work of service. Through research each scientist grows as a human being and helps others to do likewise.

The ultimate test of your greatness is the way you treat every human being.

The worst prison would be a closed heart.