Challies has posts with content from the Desiring God conference messages (mostly relaying content in his own words) of Tim Keller...
There has to be a lifelong process of realizing the wonder of thegospel. Religion gives you control which is why it's so popular. Religion is "I obey, therefore I'm accepted." The gospel is "I'm accepted, therefore I obey."
...and Mark Driscoll...
John Calvin was not just a contender but a contextualizer, so we must redeem what it means to be a true Calvinist. When persecution happened in Europe, people flocked to Geneva. Calvin trained them and then sent them out to share the gospel. If you are a true Calvinist you are not just a contender, but also a contextualizer.