Verse 37

क्षुब्धैर्युगपरावर्तैर्वासनाश्रृंखलोम्भिता ।महाशनिनिपातैश्च न भग्नाऽबुद्धधीरता

In plain words

Held fast by the chain of vāsanā, the stolid firmness of the unawakened is not broken by the violent turnings of the ages, nor by the fall of great thunderbolts.