“The world exists for everyone, because all of us were born with the same dignity. Differences of color, religion, talent, place of birth or residence, and so many others, cannot be used to justify the privileges of some over the rights of all. As a community, we have an obligation to ensure that every person lives with dignity and has sufficient opportunities for his or her integral development.” (Pope Francis, Brothers and Sisters to Us [Fratelli Tutti], no. 118)
“The dignity of others is to be respected in all circumstances, not because that dignity is something we have invented or imagined, but because human beings possess an intrinsic worth superior to that of material objects and contingent situations. This requires that they be treated differently. That every human being possesses an inalienable dignity is a truth that corresponds to human nature apart from all cultural change. For this reason, human beings have the same inviolable dignity in every age of history and no one can consider himself or herself authorized by particular situations to deny this conviction or to act against it.” (Pope Francis, Brothers and Sisters to Us [Fratelli Tutti], no. 213)
“Our defense of the innocent unborn, for example, needs to be clear, firm and passionate, for at stake is the dignity of a human life, which is always sacred and demands love for each person, regardless of his or her stage of development. Equally sacred, however, are the lives of the poor, those already born, the destitute, the abandoned and the underprivileged, the vulnerable infirm and elderly exposed to covert euthanasia, the victims of human trafficking, new forms of slavery, and every form of rejection.  We cannot uphold an ideal of holiness that would ignore injustice in a world where some revel, spend with abandon and live only for the latest consumer goods, even as others look on from afar, living their entire lives in abject poverty.” (Pope Francis, Rejoice and Be Glad [Gaudete et Exsultate], no. 101)
“Human beings too are creatures of this world, enjoying a right to life and happiness, and endowed with unique dignity. So we cannot fail to consider the effects on people’s lives of environmental deterioration, current models of development and the throwaway culture.” (Pope Francis, On Care for Our Common Home [Laudato Si'], no. 43).
When we fail to acknowledge as part of reality the worth of a poor person, a human embryo, a person with disabilities – to offer just a few examples – it becomes difficult to hear the cry of nature itself; everything is connected. (Pope Francis, On Care for Our Common Home [Laudato Si'], no. 117)
Just as the commandment "Thou shalt not kill" sets a clear limit in order to safeguard the value of human life, today we also have to say "thou shalt not" to an economy of exclusion and inequality. Such an economy kills. How can it be that it is not a news item when an elderly homeless person dies of exposure, but it is news when the stock market loses two points? This is a case of exclusion. Can we continue to stand by when food is thrown away while people are starving? This is a case of inequality. Today everything comes under the laws of competition and the survival of the fittest, where the powerful feed upon the powerless. As a consequence, masses of people find themselves excluded and marginalized: without work, without possibilities, without any means of escape. Human beings are themselves considered consumer goods to be used and then discarded. We have created a "throw away" culture which is now spreading. It is no longer simply about exploitation and oppression, but something new. Exclusion ultimately has to do with what it means to be a part of the society in which we live; those excluded are no longer society's underside or its fringes or its disenfranchised – they are no longer even a part of it. The excluded are not the "exploited" but the outcast, the "leftovers". (Pope Francis, The Joy of the Gospel [Evangelii Gaudium], no. 153)
The dignity of the individual and the demands of justice require, particularly today, that economic choices do not cause disparities in wealth to increase in an excessive and morally unacceptable manner. (Pope Benedict XVI, Charity in Truth [Caritas in Veritate], no. 32)
Human persons are willed by God; they are imprinted with God's image. Their dignity does not come from the work they do, but from the persons they are. (St. John Paul II, On the Hundredth Year [Centesimus annus], no. 11)
The basis for all that the Church believes about the moral dimensions of economic life is its vision of the transcendent worth -- the sacredness -- of human beings. The dignity of the human person, realized in community with others, is the criterion against which all aspects of economic life must be measured.
All human beings, therefore, are ends to be served by the institutions that make up the economy, not means to be exploited for more narrowly defined goals. Human personhood must be respected with a reverence that is religious. When we deal with each other, we should do so with the sense of awe that arises in the presence of something holy and sacred. For that is what human beings are: we are created in the image of God (Gn 1:27). (United States Conference of Catholic Bishops, Economic Justice for All, no. 28)
Every individual, precisely by reason of the mystery of the Word of God who was made flesh (cf. Jn 1:14), is entrusted to the maternal care of the Church. Therefore every threat to human dignity and life must necessarily be felt in the Church's very heart; it cannot but affect her at the core of her faith in the Redemptive Incarnation of the Son of God, and engage her in her mission of proclaiming the Gospel of life in all the world and to every creature (cf. Mk 16:15). (St. John Paul II, The Gospel of Life [Evangelium vitae], no. 3)
As explicitly formulated, the precept “You shall not kill” is strongly negative: it indicates the extreme limit which can never be exceeded. Implicitly, however, it encourages a positive attitude of absolute respect for life; it leads to the promotion of life and to progress along the way of a love which gives, receives and serves. (St. John Paul II, The Gospel of Life [Evangelium vitae],no. 54)
This teaching rests on one basic principle: individual human beings are the foundation, the cause and the end of every social institution. That is necessarily so, for men are by nature social beings. (St. John XXIII, Mother and Teacher [Mater et Magistra], no. 219)
There exist also sinful inequalities that affect millions of men and women. These are in open contradiction of the Gospel: Their equal dignity as persons demands that we strive for fairer and more humane conditions. Excessive economic and social disparity between individuals and peoples of the one human race is a source of scandal and militates against social justice, equity, human dignity, as well as social and international peace. (Catechism of the Catholic Church, no. 1938)
Whatever insults human dignity, such as subhuman living conditions, arbitrary imprisonment, deportation, slavery, prostitution, the selling of women and children; as well as disgraceful working conditions, where men are treated as mere tools for profit, rather than as free and responsible persons; all these things and others of their like are infamies indeed. They poison human society, but they do more harm to those who practice them than those who suffer from the injury. (Second Vatican Council, The Church in the Modern World [Gaudium et Spes], no. 27)