Chapter, §

 1 Int, 14 |       point, therefore, that the problem of the Church's dialogue
 2 Int, 14 |    extent and complexity of this problem and to do what it can to
 3 Int, 14 | experience of the urgency of the problem is no less than Our own-as
 4 Int, 16 |         attention to the serious problem of world peace. It is a
 5 Int, 16 |          of world peace. It is a problem which demands Our continuous
 6   1, 18 |          study of any particular problem and before considering what
 7   2, 41 |  therefore, we have the greatest problem confronting the living Church.
 8   2, 41 |       the living Church. It is a problem which shows how powerful
 9   2, 41 |        and achievement. ~It is a problem which arises from the very
10   3, 86 |        faced here with a serious problem: how is the Church to adapt
11   3, 100|         This is the most serious problem of our time. We are firmly
12   3, 106|        and wisdom to bear on the problem of recalling all men to
13   3, 112|  concerned or connected with the problem of unity which are stirring