Deuteronomy 32:21

Expanded Bible

²¹ They used things that are not gods to make me jealous [4:24]
    and ·worthless idols [vanities; vain idols] to make me angry.
So I will use those who are not a nation to make them jealous;
    I will use a nation that ·does not understand [^Lis foolish] to make them angry.