Ancient Heresies in the Modern Church

I recommend a lot of sermons for people to listen to, and I realize that most of the time people who read this blog never take the time to do so.
Today however, I want to recommend two sermons and challenge people to actually take the time to listen.

Grace Reformed Baptist Church in Porter, TX is having their 2008 John Bunyan Conference . From that conference I want to recommend two sermons:

Ancient Heresies in the Modern Church, Part 1

Ancient Heresies in the Modern Church, Part 2