Before our eyes we have the results of ideologies such as Marxism, Nazism and fascism, and also of myths like racial superiority, nationalism and ethnic exclusivism. No less pernicious, though not always as obvious, are the effects of materialistic consumerism, in which the exaltation of the individual and the selfish satisfaction of personal aspirations become the ultimate goal of life. In this outlook, the negative effects on others are considered completely irrelevant.
Pope John Paul IIWhat does our generation owe to generations yet unborn? ...there is an order in the universe which must be respected, and... the human person, endowed with the capability of choosing freely, has a grave responsibility to preserve this order for the well-being of future generations.
Pope John Paul IIA man, even if seriously sick or prevented in the exercise of its higher functions, is and will be always a man ... [he] will never become a 'vegetable' or an 'animal,'" the Pope said. "The intrinsic value and personal dignity of every human being does not change depending on their circumstances.
Pope John Paul II