We continue our #VosGroup series in pages 187–190 of Vos’ book Biblical Theology: Old and New Testaments to consider the word of God and prophetism. Prophetism is restricted to the word as its instrument. The prophetic ministry was a declarative, spiritual authority of one who speaks and writes in the words of Jehovah himself. There is the closest possible connection, then, between the prophetic office and the declaration of the Word of the Lord, as that Word is given by the superintending agency of the Spirit, who breathes out the prophetic Scriptures (cf. 1 Pet. 1:10–11; 2 Tim. 3:16). The effect of being restricted to the ministry of the Word of God was a heightening of the “spiritualizing” relation between Jehovah and Israel.