Christ has not only ordained that there shall be such officers in his Church - he has not only specified their duties and prerogatives - but he gives the requisite qualifications, and calls those thus qualified, and by that call gives them their official authority.
Charles Hodge (1855). “What is Presbyterianism?: An Address Delivered Before the Presbyterian Historical Society at Their Anniversary Meeting in Philadelphia, on Tuesday Evening, May 1, 1855”, p.38