It is not enough to long for a person as a good for oneself, one must also, and above all, long for that person's good.
Pope John Paul IIWe cannot interfere in one area of the ecosystem without paying due attention to both the consequences of such interference in other areas and to the well-being of future generations.
Pope John Paul IIWars generally do not resolve the problems for which they are fought and therefore, in addition to causing horrendous damage, they prove ultimately futile.
Pope John Paul IIHumankind, which discovers its capacity to transform and in a certain sense create the world through its own work, forgets that this is always based on God's prior and original gift of things that are. People think that they can make arbitrary use of the earth, subjecting it without restraint to their wills, as though the earth did not have its own requisites and a prior God-given purpose, which human beings can indeed develop but must not betray.
Pope John Paul II