What is the difference between the gospel of the kingdom and the gospel of the grace of God?
The former includes the latter in one sense. The gospel or good news of the kingdom was first proclaimed by John the Baptist, the Lord Himself, then the 12, and finally the 70, this being before the death of Christ. Then the apostles were further instructed as to the kingdom and this was the gospel preached by all up to Acts 28:28. The gospel of the grace of God began in the house of Cornelius, about 9 years after Pentecost. This was the only instance that Peter preached this gospel. None of the other 11 preached it at any time. And about 17 years after Pentecost Paul began to preach the gospel of the grace of God at Antioch to the Gentiles (just as Peter did) and continued it till the end of Acts. But in every instance Paul was careful to preach the gospel of the kingdom to the Jew first, and then turned to the Gentiles and preached to them the gospel of the grace of God, which meant that they could partake of all the spiritual blessings of Israel without keeping the law (being circum