Verse 45

इति पर्याकुलस्यान्तः स खलु ध्यानवृत्तिषु ।दरीष्वन्वहमुग्रासु वातमग्न इव द्रुमः

In plain words

Thus, inwardly troubled, he remained day after day among the movements of meditation in those fierce caves — like a tree caught fast in the wind.