PRAŚNA UPANISHAD · 3.1

अथ हैनं कौशल्यश्चाश्वलायनः पप्रच्छ । भगवन् कुत
एष प्राणो जायते कथमायात्यस्मिञ्शरीर आत्मानं वा
प्रविभज्य कथं प्रतिष्ठते केनोत्क्रमते कथं बाह्यमभिधत्ते
कथमध्यात्ममिति ॥ ३.१॥

atha hainaṃ kauśalyaścāśvalāyanaḥ papraccha । bhagavan kuta
eṣa prāṇo jāyate kathamāyātyasmiñśarīra ātmānaṃ vā
pravibhajya kathaṃ pratiṣṭhate kenotkramate kathaṃ bāhyamabhidhatte
kathamadhyātmamiti ॥ 3.1॥

Then the Coshalan, the son of Uswal, asked him: “Lord, whence is this Life born? How comes it in this body or how stands by self-division? By what departeth, or how maintaineth the outward and how the inward spiritual?”

Sri Aurobindo · CWSA 18, p. 182