yaś cakṣuṣi tiṣṭhañ cakṣuṣo 'ntaro yaṃ cakṣur na veda yasya cakṣuḥ śarīraṃ yaś cakṣur antaro yamayaty eṣa ta ātmāntaryāmy amṛtaḥ ||
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18. 'He who dwells in the eye, and within the eye, whom the eye does not know, whose body the eye is, and who pulls (rules) the eye within, he is thy Self, the puller (ruler) within, the immortal.'