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John McCloskey III , who works with many young people at Princeton University , writes about priestly formation and the kinds of priests the Church will need in the third millennium . He has published articles in various journals and has co-authored three previous books on papal encyclicals . It was an incredible sight : people were cheering , dancing , singing and somebody started playing the bagpipes . What was not so clearly presented , however , was the Christian theme of eternal life and our hope in the resurrection . To conclude this necessarily brief and restricted enquiry into the present state of the art of aerial navigation it may be said that it has been demonstrated beyond question that it is possible to construct dirigible balloons which can be driven in any desired direction on calm days or on days when only moderate winds prevail ; and it should be remembered that these favourable conditions exist on a very large proportion of the days of the year .