See Piper's other messages from Geneva:

©2013 Desiring God Foundation. Used by Permission.

Permissions: You are permitted and encouraged to reproduce and distribute this material provided that you do not alter the wording in any way and do not charge a fee beyond the cost of reproduction. For web posting, please do not quote this document in it’s entirety, but in part, and link to this page. Any exceptions to the above must be approved by Desiring God.

Please include the following statement on any distributed copy: By John Piper. ©2013 Desiring God Foundation. Website: desiringGod.org