Marriage and conjugal love are by their nature ordained toward the procreation and education of children. Children are really the supreme gift of marriage and contribute in the highest degree to their parents' welfare.
Pope Paul VIThe religion of the God who became man has met the religion (for such it is) of man who makes himself God. And what happened? Was there a clash, a battle, a condemnation? There could have been, but there was none
Pope Paul VIThe freedom or immunity from coercion in matters religious, which is the endowment of persons as individuals, is also to be recognized as their right when they act in community. Religious communities are a requirement of the social nature both of man and of religion itself.
Pope Paul VI