Ashtangasamgraha 9.77

9.77

ete duṣparihāratvādahitāyottarottaram |

yeṣāmaniyataṃ karma tasmin kāle sudāruṇe ||

smṛtvā smṛtvā ca bahuśo viyuktaḥ śocate yayā ||

these, being difficult to avoid, are increasingly harmful / to those whose actions are not regulated at that terrible time.
remembering and remembering whom repeatedly, when separated, one grieves;