Bhagavatapurana 10.20.37

10.20.37

naivāvidan kṣīyamāṇaṃ jalaṃ gādha-jale-carāḥ /
yathāyur anv-ahaṃ kṣayyaṃ narā mūḍhāḥ kuṭumbinaḥ //

37. The creatures that lived in shallow waters did not per-

ceive how the water was everyday going down just as foolish men given to domestic life do not perceive how the span of life is day after day cut short.