Some supporters of the Desiring God ministry had complained that Warren relies more on pragmatism than biblical doctrine – in other words, that he relies more on methods than on God to achieve results.

But Piper defended his decision to invite Warren to the annual conference. In a video, Piper listed Warren’s shared beliefs, including that the Bible is totally inerrant, God is sovereign over everything and that people who do not believe in Jesus Christ as their savior will go to hell.

Warren also memorizes scripture every week, plants a church every year, rejects the prosperity gospel, and believes the only way to change the world is to change people’s hearts through Jesus. ...