Isaiah 7:4

and say to him: Calm down and be quiet. Do not be afraid or disheartened over these two smoldering stubs of firewood—over the fierce anger of Rezin and Aram and of the son of Remaliah.
BSB · Berean Standard Bible
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.

Note neither…: Heb. let not thy heart be tender

KJV · King James Version
Tell him, ‘Be careful, and keep calm. Don’t be afraid, neither let your heart be faint because of these two tails of smoking torches, for the fierce anger of Rezin and Syria, and of the son of Remaliah.
WEB · World English Bible
and say unto him, Take heed, and be quiet; fear not, neither let thy 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.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

Take heed
Isaiah 30:7, 15; Exodus 14:13, 14; 2 Chronicles 20:17; Lamentations 3:26
fear not
Isaiah 8:11–14; Isaiah 35:4; Isaiah 41:14; Isaiah 51:12, 13; Matthew 10:28; Matthew 24:6
neither be faint-hearted
Heb. let not they heart be tender.
Deuteronomy 20:3; 1 Samuel 17:32
the two tails
Isaiah 7:8; Isaiah 8:4; 2 Kings 15:29, 30; Amos 4:11