Lumen gentium
   Chap., Paragraph  1     2,  12 |            perfectly suited to and useful for the needs of the Church.
Sacrosanctum concilium
   Chap., Paragraph  2     1,  40 | Adaptations which are judged to be useful or necessary should when
 3     2,  50 |          holy Fathers, as may seem useful or necessary.~
 4     7,  127|          world where they would be useful, so that artists may be
Gaudium et spes
   Chap., Paragraph  5     1,  18 |    endeavors of technology, though useful in the extreme, cannot calm
 6     7,  69 |            do not cease to be very useful. Similarly, in highly developed
 7     9,  86 |           The following norms seem useful for such cooperation:~a)
Ad gentes
   Chap., Paragraph  8     2,  17 |         the disciplines and skills useful for their ministry and in
 9     4,  26 |          studies which it would be useful for them to learn, that
10     5,  33 |         Therefore, it will be very useful to have conferences of Religious
11     5,  34 |         other arts and disciplines useful for the missions, such as
12     6,  37 |    excellent task.~It will be very useful, provided the universal
Presbyterorum ordinis
   Chap., Paragraph 13  Pref,  1  |          order, it was deemed most useful to treat of the subject
14     3,  13 |   convenience, seeking not what is useful to themselves but to many,
15     3,  21 |          help of priests and, when useful, of laymen who are expert
Apostolicam actuositatem
   Chap., Paragraph 16     1,  2  |          Church must be said to be useful neither to the Church nor
17     3,  11 |        their apostolate, it can be useful for families to be brought
18     4,  16 |         This type of apostolate is useful at all times and places,
Perfectae caritatis
   Chap., Paragraph 19     0,  10 |      therefore this way of life so useful to the pastoral mission
20     0,  19 |     necessity or at least the many useful services they promise must
Inter mirifica
   Chap., Paragraph 21     1,  3  |           as they are necessary or useful for the instruction of Christians
22     1,  5  |       clearly this has become most useful and very often necessary
 
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