from John Piper:
http://www.youtube.com/watch?v=yHxrI-0diL8&list=FLOWuA4fM5ED9ihWRmFYjTuw&index=9&feature=plpp_video
http://www.youtube.com/watch?
http://www.youtube.com/watch?
http://www.youtube.com/watch?
Francis Chan:
http://www.youtube.com/watch? v=xAW5jRzdXJE&list= WL7E6AB846984E8370&index=25& feature=plpp_video
http://www.youtube.com/watch? v=EgwqeEVFr3s&list= FLOWuA4fM5ED9ihWRmFYjTuw& index=11&feature=plpp_video
http://www.youtube.com/watch? v=L6IX3opKF4A&list= FLOWuA4fM5ED9ihWRmFYjTuw& index=9&feature=plpp_video
http://www.youtube.com/watch? v=JT0OyEKLg2I (part 1/4)
http://www.youtube.com/watch? v=U_5OXp2QVD8&list= FLOWuA4fM5ED9ihWRmFYjTuw& index=8&feature=plpp_video ( part 2/4)
http://www.youtube.com/watch? v=pBhqrtMqrv8 (long clip)
http://www.youtube.com/watch?
http://www.youtube.com/watch?
http://www.youtube.com/watch?
http://www.youtube.com/watch?
http://www.youtube.com/watch?