"Nothing ought in reason to mortify our self-satisfaction more that the considering that we condemn at one time what we highly approve and commend at another."

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Respecting the environment does not mean considering material or animal nature more important than man. Rather, it means not selfishly considering nature to be at the complete disposal of our own interests, for future generations also have the right to reap its benefits and to exhibit towards nature the same responsible freedom that we claim for ourselves. Nor must we overlook the poor, who are excluded in many cases from the goods of creation destined for all.

— Pope Benedict XVI