Bhagavad Gita 14.20
गुणानेतान्तित्य त्रिन्देहि देहसमुद्भवन् |
जन्ममृत्युज्रादु:खैर्विमुक्तोऽमृतमश्रुते
Translation
By transcending the three modes of material nature associated with the body, one becomes free from birth, death, old age, and misery, and attains immortality.