Verse 23

तद्दोर्वनघनच्छायालब्धविश्रान्तयः सुराः ।न कदाचन तप्यन्ते हिमाद्रेरिव सानवः

In plain words

The gods, having found their rest in the dense shade of the forest that is his arm, never once suffer — no more than the ridges of the Himālaya ever burn.