لَيْسَ يُنْجِي الَّذِي يُوَائِلُ مِنَّا رَأْسُ طَوْدٍ وَحَرَّةٌ رَجْلَاءُ
Meaning: Neither the summit of a great mountain nor rough stony ground can save someone who seeks refuge from us.
Yuʾāwilu signifies seeking refuge; ṭawd is a great mountain; ḥarrah is a rough, stony tract; and rajlāʾ heightens its ruggedness.
The first verse dismissed flight in the plain; the second dismisses shelter in the hills. This cumulative imagery reinforces the speaker’s claim. Grammatically, raʾsu ṭawdin wa ḥarratun is what fails to save the refugee.