Here once more We exhort Our sons to take an active part in public life, and to work together for the benefit of the whole human race, as well as for their own political communities. It is vitally necessary for them to endeavor, in the light of Christian faith, and with love as their guide, to ensure that every institution, whether economic, social, cultural or political, be such as not to obstruct but rather to facilitate man's self betterment, both in the natural and in the supernatural order.
 
– Pacem in Terris, Blessed John XXIII
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Pastoral Exhortations
     
Scientific Competence, Technical Capacity and Professional Experience
   

Finally, may Christ inflame the desires of all men to break through the barriers which divide them, to strengthen the bonds of mutual love, to learn to understand one another, and to pardon those who have done them wrong. Through His power and inspiration may all peoples welcome each other to their hearts as brothers, and may the peace they long for ever flower and ever reign among them.

172. And so, dear brothers, with the ardent wish that peace may come upon the flocks committed to your care, for the special benefit of those who are most lowly and in the greatest need of help and defense, lovingly in the Lord We bestow on you, on Our priests both secular and regular, on religious both men and women, on all the faithful and especially those who give wholehearted obedience to these Our exhortations, Our Apostolic Blessing. And upon all men of good will, to whom We also address this encyclical, We implore from God health and prosperity.

Given at Rome, at St. Peter's, on Holy Thursday, the eleventh day of April, in the year 1963, the fifth of Our Pontificate.

 
Integration of Faith and Action
Integral Education
Constant Endeavor
Relations Between Catholics and Non-Catholics in Social and Economic Affairs
Error and the Errant
Philosophies and Historical Movements
Little by Little
An Immense Task
The Prince of Peace