Verse 39

शुभाभावात्सुखाभावे स्थितिं याते विलक्षणाः ।कीदृश्यः कथमायाताः क्व वा ता दुःखसंविदः

In plain words

When, for want of the auspicious, the absence of happiness has come to settle, those distinct awarenesses of suffering -- of what sort are they, how have they come, or where are they?