'Grace of God' in the Bible

who, when he came, and saw the grace of God, rejoiced, and exhorted all to cleave to the Lord with purpose of heart;

And when the synagogue broke up, many of the Jews and proselyte worshippers followed Paul and Barnabas; who, speaking to them, exhorted them to continue in the grace of God.

and thence set sail for Antioch, whence they had been commended to the grace of God, for the work which they had accomplished.

But I count life of no value to me, so that I may finish my course, and the ministry which I received from the Lord Jesus, to testify the glad tidings of the grace of God.