What Precisely Is the Gospel?

That's the question Jeff Purswell seeks to answer today in an excellent post at the Sovereign Grace Ministries Blog. Here's part of his conclusion:

So what is the gospel?

Although this brief survey is far from complete, it consistently reveals that the gospel is good news concerning Jesus and what he did to accomplish salvation for sinners.

In other words, the gospel is objective. It tells us what God has done to save his people. It consists of concrete, historical events, rooted in Old Testament promises, types, and institutions that were fulfilled in Jesus. It promises that all who trust in Christ and his work will receive forgiveness and life. Of course, this isn’t merely a catalogue of events of only historical interest; all of this has massive implications for our lives. But we must not confuse the gospel message itself with the outworking of those implications.

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If the gospel message expands to include “discipleship in the kingdom,” then the objective nature of Christ’s work is minimized. When the gospel is redefined as a call to a social or political movement, Christ’s work is replaced with ours. When the gospel includes my response, then the ground of my assurance lies in me rather than in Christ. Indeed, anytime we shift the definition of the gospel from God’s objective accomplishment to our subjective appropriation, the rock-solid foundation of our faith is misplaced—and the glory of God in the gospel is obscured.