51. It is not the task of the Pope to offer a detailed and complete analysis of contemporary reality, but I do exhort all the communities to an “ever watchful scrutiny of the signs of the times”. This is in fact a grave responsibility, since certain present realities, unless effectively dealt with, are capable of setting off processes of dehumanization which would then be hard to reverse. We need to distinguish clearly what might be a fruit of the kingdom from what runs counter to God’s plan. This involves not only recognizing and discerning spirits, but also – and this is decisive – choosing movements of the spirit of good and rejecting those of the spirit of evil. I take for granted the different analyses which other documents of the universal magisterium have offered, as well as those proposed by the regional and national conferences of bishops. In this Exhortation I claim only to consider briefly, and from a pastoral perspective, certain factors which can restrain or weaken the impulse of missionary renewal in the Church, either because they threaten the life and dignity of God’s people or because they affect those who are directly involved in the Church’s institutions and in her work of evangelization.
 Paul VI, Encyclical Letter Ecclesiam Suam (6 August 1964), 19: AAS 56 (1964), 609.
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