Mahabharata 12.317.22

निमेषमात्रमपि हि वयो गच्छन्न तिष्ठतिस्वशरीरेष्वनित्येषु नित्यं किमनुचिन्तयेत्

nimeṣamātramapi hi vayo gacchanna tiṣṭhatisvaśarīreṣvanityeṣu nityaṃ kimanucintayet

Our plain-language meaning of this verse is waiting for scholar review.