This was his favorite short story - that has true facts in science and concludes with four words of extreme spiritual implications.
http://www.youtube.com/playlist?list=PL0513936B01E08F72
Here is a website that has the complete text of this short story that I read when I flew on the jet aircraft the I mentioned in posting yesterday.
The Last Question by Isaac Asimov © 1956
http://www.multivax.com/last_question.html
And this webpage has seven chapters in MP3 audio format to listen and/or download for free.
http://www.multivax.com/audio.html