Is the law part of the gospel?

I remember being quite confused for a long time by the question that titles this article. I remember being further confused by statements made by Protestant Reformed authors, such as the following: “In fact, Scripture makes clear that the law is gospel, for it has the power to convert the soul, to make wise the simple, and to enlighten the eyes.” And, “The law is gospel. If anyone doubts it, let him read Psalm 19 and Psalm 119.” And, “For Calvin and Calvinism, with regard to the elect believer...