J. Gresham Machen was professor of New Testament at Princeton Theological Seminary before becoming one of the founders of Westminster Theological Seminary and the Orthodox Presbyterian Church (OPC). This address on The Scientific Preparation of the Minister, was delivered September 20, 1912, at the opening of the one hundred and first session of Princeton Theological Seminary, and in substance (previously) at a meeting of the Presbyterian Ministers' Association of Philadelphia, May 20, 1912. It was first published in The Princeton Theological Review, Vol. 11, 1913. _________________________________________________________________________________ _________________________________________________There are, indeed, those who tell us that no defense of the faith is...