bold = Main text
   Chapter, §                                 grey = Comment text

 1   2, 7 |    married love or of responsible parenthood, these two important realities
 2   2    |                       Responsible Parenthood~
 3   2, 10|         the matter of responsible parenthood, which today, rightly enough,
 4   2, 10|           to consider responsible parenthood in the light of its varied
 5   2, 10| biological processes, responsible parenthood means an awareness of, and
 6   2, 10|         and emotions, responsible parenthood means that man's reason
 7   2, 10|           conditions, responsible parenthood is exercised by those who
 8   2, 10|      period of time. ~Responsible parenthood, as we use the term here,
 9   2, 10|           exercise of responsible parenthood requires that husband and
10   2, 12|         supreme responsibility of parenthood to which man is called.