The duty of ministers to "make known the mystery of the Gospel"; and the duty of people to "pray for them", that they may do it "with boldness," or fortitude : A sermon preached at the ordination of the Reverend Mr. Penuel Bowen, a Colleague-Pastor of the New-South-Church in Boston, April 30, 1766. By Charles Chauncy, D.D. a Pastor of the First Church in Boston. To which the charge, and right hand of fellowship, delivered upon the same occasion, are added. And all printed at the unanimous desire of said church.