Chap., §

 1 Int,  1  |       not free humanity from the obligation to ask the ultimate religious
 2   2,  29 |  faithful in Christ and on their obligation to bear fruit in charity
 3   2,  34 |       there exists a prior moral obligation, and a grave one at that,
 4   2,  36 |     requirements which create an obligation for the will only because
 5   2,  36 |        will only because such an obligation was previously acknowledged
 6   2,  52 |          more important than the obligation to do good indicated by
 7   2,  59 | Conscience thus formulates moral obligation in the light of the natural
 8   2,  59 |       the natural law: it is the obligation to do what the individual,
 9   2,  59 |  universality of the law and its obligation are acknowledged, not suppressed,
10   2,  61 |        imposes on the person the obligation to perform a given act,
11   2,  66 |          to the truth and to the obligation of acts of faith and of
12   2,  76 |        and arbitrary morality of obligation which would ultimately be
13   2,  77 |   obscure? How could an absolute obligation be justified on the basis
14   3,  91 |          love of God entails the obligation to respect his commandments,
15   3,  116|       Bishops, we have the grave obligation to be personally vigilant