Sanskrit: विषयाणामानुकूल्ये सुखी दुःखी विपर्यये । खं दुःखं च तद्धर्मः सदानन्दस्य नात्मनः 
English:  When sense-objects are favourable it becomes happy, and it becomes miserable when the case is contrary. So happiness and misery are characteristics of Egoism, and not of the ever-blissful Ātman.