שמואל ב כג:ז פירוש: רש״י

Any man wanting to touch them should don. He must cover his body with armor and arm himself with a weapon to cut it down

They will be completely burnt totally consumed by fire. There is no solution other then burning [these thorns] and to sit and warm oneself by the fire. So too, for the wicked there is no solution other then burning in Gehennom.

[While one] sits. [A reference to] God sitting on the throne of Judgement.