Isaiah 7:4

7:4 Tell him, 'Be careful, and keep calm. Don't be afraid, neither let your heart be faint because of these two tails of smoking firebrands, for the fierce anger of Rezin and Syria, and of the son of Remaliah.
-World English Bible

Other Translation

7:4 And say unto him, Take heed, and be quiet; fear not, neither be fainthearted for the two tails of these smoking firebrands, for the fierce anger of Rezin with Syria, and of the son of Remaliah.
-King James Version