'Church of God' in the Bible

Take care of yourselves and of the whole flock, of which the Holy Spirit has made you overseers, so as to continue to be shepherds of the church of God, which He bought with His own blood.

to the church of God at Corinth, to those who are consecrated by union with Christ Jesus, and called to be God's people, in fellowship with those who anywhere call upon the name of Jesus Christ, their Lord and ours:

Stop being stumbling blocks to Jews or Greeks or to the church of God,

It is not that you have no houses to eat and drink in, is it? Or, are you trying to show your contempt for the church of God and trying to humiliate those who have no houses? What shall I say to you? Shall I praise you? No, I cannot praise you for this.

For I belong to the lowest rank of the apostles, and am not fit to bear the title apostle, because I once persecuted the church of God.

Paul, by the will of God an apostle of Christ Jesus, and Timothy our brother, to the church of God that is at Corinth, with all God's people all over Greece:

You have heard, indeed, of my former conduct as an adherent of the Jewish religion, how I kept on furiously persecuting the church of God, and tried to destroy it,

(if a man does not know how to manage his own house, how can he take care of a church of God?).