This work contains six sermons preached at Princeton Seminary in the early 1900's by the great scholar of Biblical Theology reflecting the power of the word of God. It is clear that Vos has wrestled with every text and has come away having better known its challenges and wanting to share what he has discovered. John Murray said of him, "Dr. Vos is, in my judgment, the most penetrating exegete it has been my privilege to know, and I believe, the most incisive exegete that has appeared in the English-speaking world in this century."