Input (grade 13): In 1980, after what he described as an irresistible call of the Lord to preach, Piper became Pastor of Bethlehem Baptist Church in Minneapolis, Minnesota, where he has been ministering ever since.
Output (grade 8): In 1980, after what he said was something that he could not turn down, he became a preacher. Piper became Pastor of Bethlehem Baptist Church in Minneapolis, Minnesota.