Astanga Hrudaya
मरणं प्राणिनां दृष्टमायुःपुण्योभयक्षयात् । तयोरप्यक्षयाद्दृष्टं विषमापरिहारिणाम् ॥ १३२ ॥
Fatal signs based on expiry of period of life and effort of benevolent deeds : Death is sure to be seen in living beings at the expiry of the period of life and effort of benevolent deeds even without expiry of these two (period of life and effect of benevolent acts) deaths may ensure by unavoidable irregularities (incidents which occurs accidentally).
english translation
maraNaM prANinAM dRSTamAyuHpuNyobhayakSayAt । tayorapyakSayAddRSTaM viSamAparihAriNAm ॥ 132 ॥
hk transliteration by Sanscript