yo manasi tiṣṭhan manaso 'ntaro yaṃ mano na veda yasya manaḥ śarīraṃ yo mano 'ntaro yamayaty eṣa ta ātmāntaryāmy amṛtaḥ ||
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20. 'He who dwells in the mind, and within the mind, whom the mind does not know, whose body the mind is, and who pulls (rules) the mind within, he is thy Self, the puller (ruler) within, the immortal.'