Skandapurana 7.19.p52

7.19.p52

Internal death may be born of disease or born of time. / Born of time is said to be through old age, while born of disease is from the destruction [of the body] by ailment. // 29
This other death, O sage, is difficult to attain: that which arises from uniting in yoga; / that which is brought about by the means of yoga, and that which comes from the expiration of time. // 30
Listen in brief, O Vyāsa, to the difference and change between the two: / one occurs from the expiration of time, whereas the second is desired by the mind. // 31
This sound born of ringing which is heard joined in the ear, / that merges first into Kūrma; by that, fire abandons its luster. // 32