Dakshasmriti 6.10

6.10

na sūtakaṃ kadācitsyādyāvajjīvantu sūtakam
evaṃ guṇaviśeṣeṇa sūtakaṃ samudāhṛtam

There may never be birth-and-death impurity, or birth-and-death impurity may last for the duration of life; / thus, according to distinction of qualities, birth-and-death impurity has been declared.