Bhagavadgita 2.86

Bhagavadgītābhāṣya (Śāṅkarabhāṣya) 2.86

vāsāṃsi jīrṇāni yathā vihāya
navāni gṛhṇāti naro 'parāṇi |
tathā śarīrāṇi vihāya jīrṇāni
anyāni saṃyāti navāni dehī ||