Verse 40

सुखसंवेदनान्तोत्था स्वबीजं वितनोति या ।शान्ता दुःखदशा सेयं कथमन्तर्हिते सुखे

In plain words

That state of suffering which springs up at the ending of the experience of happiness and spreads out its own seed -- this very state is stilled: how could it be, when happiness has vanished?