If 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 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 IIMan cannot live without love. He remains a being that is incomprehensible for himself, his life is senseless, if love is not revealed to him, if he does not encounter love, if he does not experience it and make it his own, if he does not participate intimately in it.
Pope John Paul IIThe vow of celibacy is a matter of keeping one's word to Christ and the Church. a duty and a proof of the priest's inner maturity; it is the expression of his personal dignity.
Pope John Paul II