You must be strong, dear brothers and sisters. You must be strong with the strength that comes from faith.
Pope John Paul IIIf humanity today succeeds in combining the new scientific capacities with a strong ethical dimension, it will certainly be able to promote the environment as a home and a resource for...all...and will be able to eliminate the causes of pollution and to guarantee adequate conditions of hygiene and health for small groups as well as for vast human settlements.
Pope John Paul IIThe fear of making permanent commitments can change the mutual love of husband and wife into two loves of self-two loves existing side by side, until they end in separation.
Pope John Paul IITaking into account these distinctions, in harmony with the Magisterium of my Predecessors[81] and in communion with the Bishops of the Catholic Church, I confirm that euthanasia is a grave violation of the law of God, since it is the deliberate and morally unacceptable killing of a human person.
Pope John Paul II