The Belgic Confession, Article IX (2): Two-Fold Proof

It is to be noted that this article does not merely present proof from Scripture in support of the doctrine of the Trinity. This is plain from the opening statement of Article IX: "All this we know, as well from the testimonies of holy writ, as from their operations, and chiefly by those we feel in ourselves." Hence, the evidence of which the article speaks is two-fold: proof from Holy Scripture and evidence from experience. Undoubtedly this is to be connected with the later statement of this...