Verse 9

यस्य वीर्यं सुवीर्यस्य न शस्त्रैर्न च पावकैः ।केनचिद्भुवने क्रान्तमाकाशमिव मुष्टिना

In plain words

'The valor of this most valiant one has been overcome by no one in the world -- not by weapons, not by fires -- any more than the sky by a fist.'