佛說五無返復經 1.11

1.11

又語死者婦：「卿夫已死，何不啼哭？」婦復為梵志說喻言：「我等夫婦，因緣共會須臾間已。譬如飛鳥，暮栖高樹同共止宿，向明早起各自飛去行求飲食。有緣則合，無緣則離。我等夫婦亦復如是，去住進止非我之力。無常對至，隨其本命，不能相救。」

He also spoke to the dead man's wife: "Your husband is already dead; why do you not weep?" The wife also spoke a parable for the brahmacārin, saying, "We husband and wife came together through causes and conditions for only a brief moment. It is like flying birds that roost together on a tall tree in the evening to spend the night, and rising early toward dawn, each flies away on its own to seek food. When there is affinity, they gather; when the affinity ends, they separate. We husband and wife are just like this: his departing or staying, advancing or stopping, is not within my power. When the retribution of impermanence arrives, each follows their own destiny; we cannot save one another."