 Catholic doctrine from early on and supported by the Council of Trent, considered virginity to be the holiest state for humans; however, marriage was allowed for those without the fortitude required to live an abstinent life.In "Casti connubii", Pius XI repeatedly quotes Augustine, who teaches, that among the blessings of marriage, the child holds the first place.Pius XI also followed Augustine in upholding the indissolubility of marriage and the wrongfulness of sexual acts that impede conception