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तस्मिञ्जगत्सर्वमिदं प्रतिष्ठितं य एतद्विदुरमृतास्ते भवन्ति ॥ २३ ॥
In plain words
In that reality all this universe is sustained. Those who know this truth become immortal.
Close to the Sanskrit
In that all this universe is established; those who know this become immortal.