ישעיהו מז:יד פירוש: רש״י ואבן עזרא

Behold they were Your stargazers were like stubble.

Fire. The host of the enemy. Comp., There is a fire gone out of Heshbon (Num. 21:28).

there is no coal by which to warm oneself They have no remnant, like stubble, the fire of which does not leave over coals by whose fire one can warm himself.