Verse 36

इहाजवं जवीभावं पतनोत्पतनात्मकम् ।न च शोचन्ति सुधियश्चिरं वल्गन्ति केवलम्

In plain words

Over this round of coming and going here, made of falling and of rising, the wise do not grieve; they simply move lightly along for a long while.