"Damage to nature goes against human dignity. If I do something against part of nature, I do something against humanity. But, at the same time, we can say that if we do something against men, we cannot say that we really love nature." One of the most profound phrases in Pope Francis' new encyclical is actually a question. The Holy Father asks: "What kind of world do we want to leave to those who come after us, to children who are now growing up.