James 2:19

19YouσὺbelieveπιστεύειςthatὅτιoneεἷςisἐστινὁGodθεός;Wellκαλῶςyou are doingποιεῖς·Evenκαὶtheτὰdemonsδαιμόνιαbelieve [that]πιστεύουσινandκαὶshudderφρίσσουσιν.

You believe that God is one. You do well! Even the demons believe [that], and shudder!