Berean Standard Bible (BSB)
You believe that God is one. Good for you! Even the demons believe that—and shudder.
World English Bible (WEB)
You believe that God is one. You do well. The demons also believe, and shudder.
Strong's King James
Thou{G4771} believest{G4100}{(G5719)} that{G3754} there is{G2076}{(G5748)} one{G1520} God{G2316}; thou doest{G4160}{(G5719)} well{G2573}: the devils{G1140} also{G2532} believe{G4100}{(G5719)}, and{G2532} tremble{G5425}{(G5719)}.
The F.O.G *
(19) You believe that יהוה YAHWEH is One! You do well, the demons also believe and shudder!
The F.O.G Message *
Young's Literal Translation
thou—thou dost believe that God is one; thou dost well, and the demons believe, and they shudder!