In this lecture I discuss various sources of the dignity of persons; the text for this lecture is:

Josef Seifert, “The Right to Life and the Fourfold Root of Human Dignity,” in The Nature and Dignity of the Human Person as the Foundation of the Right to Life, ed. Juan de Dios Vial Correa and Elio Sgreccia (Vatican City: Libreria Editrice Vaticana, 2002), 122-140. This text is available here.

Part 1

Part 2