If you’re one of the few who don’t know what it says, the backwards talking before the song starts is someone in the band (Hartman?) saying “What are you looking for the Devil for when you ought to be looking for the Lord?”

This was about the time of the “backmasking” craze when Styx had labels on the album warning about “Hidden messages” and the anti-rock preachers did seminars about the awful things hidden in Led Zeppelin songs backwards. :)

Live performance here:
http://www.youtube.com/watch?v=-NEg2riSUfo