Gospel ministers must be fit for the master's use, and prepared to every good work, if they would be vessels unto honour : Illustrated in a sermon preached at Deerfield, August 31, 1735. At the ordination of Mr. John Sargent, to the evangelical ministry, with a special reference to the Indians of Houssatonnoc, who have lately manifested their desires to receive the Gospel. By Nathanael Appleton, M.A. pastor of the Church of Christ in Cambridge.