Parallel
James 2:19
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Σὺ πιστεύεις ὅτι ὁ θεὸς εἷς ἐστίν· καλῶς ποιεῖς· καὶ τὰ δαιμόνια πιστεύουσιν, καὶ φρίσσουσιν.
You believe that God is one (note: Or that there is one God). Good for you! Even the demons believe that—and shudder.