Verse 33

अन्तःशीतलतायां तु लब्धायां शीतलं जगत् ।विज्वराणामिव नृणां भवत्याजीवितस्थितेः

In plain words

But once inner coolness has been won, the world too grows cool for the whole span of one's life, just as it does for men who are freed of fever.