Verse 41

सर्वतोऽयमुपायातो विनाशः सुखसिद्धये ।तस्मान्नास्त्यसि निर्णीतमिति सिद्धान्तयुक्तिभिः

In plain words

-- this destruction has come from every side, for the sake of happiness's accomplishment. Therefore: you do not exist -- so it stands concluded, by the reasoning of settled truth.