In the "strong debate" going on in Europe "between those who champion the non-negotiable principles that concern the dignity of the human being and those who instead think insatiable claims should be legally regulated and therefore not turn" into "subjective rights", we must insist that the family cannot but keep taking "origin from marriage, the deed under which it is incorporated", having "as its essential members a husband, a wife and the children born of their union", and constituting "the basic structure of society and the first foundation of legal order". It was said by Alessandro d’Avack, president of the "National Committee for the study of the principle of subsidiarity, solidarity and equality, from Leo XIII to the European Constitution", who spoke yesterday evening at the meeting which will be ending today in Bucharest, on "Humanae vitae between modernity and challenge. A modern response to a centuries-old problem", promoted by the Committee and by the Roman Catholic Theological Institute "Santa Teresa" of the Rumanian capital. According to d’Avack, rights "cannot be conditional on changes in prevailing social thinking, but must be based on the ethical and natural legal principles on which an orderly civil cohabitation is grounded". The president of Ccee, card. Péter Erdo, and the archbishop of Bucharest, mgr. Ioan Robu, also spoke at the meeting.