Making Texts Do Little Poodle Tricks?

Over at Blag and Mablog, Doug Wilson helpfully describes the task of systematic theology:

Systematic theology is nothing less than remembering what you read in other passages while you are reading this passage. The kind of thing that gives systematic theology a bad name is remembering what you thought other passages said, privileging them in some form of special pleading, and making the verse in front of you do little poodle tricks.

The whole post, which addresses the reality of the faithful and unfaithful within the same Church, may be found here.