Narada said When the changes of happiness and sorrow appear or disappear, they cannot be prevented by either wisdom or policy or exertion.
नारद उवाच सुखदुः दुःखविपर्यासो यदा समनुपद्यते। नैनं प्रज्ञा सुनीतं वा त्रायते नापि पौरुषम्॥