Yogācārabhūmi-śāstra: Volume 34 (Part 42)

Original text: Regarding the impermanence manifested through separation from external objects: It refers to the material possessions for livelihood that are presently possessed. Previously, they had not undergone change, had not been separated from, and had not been destroyed by impermanence. Later, they are confiscated by a king, stolen by thieves, plundered by unloved ones, lost by becoming common property with others, destroyed through violent actions or forceful means, or sought after with effort yet unobtainable. From phenomena such as these, one should understand that this is called recognizing the nature of impermanence through the phenomenon of separation.

Explanation: The meaning of relying on the impermanence manifested through separation from external objects is as follows: Presently, there exist material possessions for livelihood; previously, they had not undergone any change, the possessions had not been separated from, nor had they been destroyed by impermanence. Later, they were confiscated by a king, stolen by thieves, plundered by unloved individuals, lost by becoming common property shared with others, destroyed through violent actions or forceful means, or sought after with effort yet unable to be obtained. From these phenomena, one should understand that this is called recognizing the nature of impermanence through the phenomenon of separation.