Verse 51

सर्वसंकटपर्यन्तमसंकटमलं सुखम् ।सौभाग्यं परमं बुद्धेर्नैराश्यमवलम्ब्यताम्

In plain words

Let hopelessness be taken as one's support: the end of every strait, an ample happiness free of straits, the supreme good fortune of buddhi.