Study Bava Metzia folio 21B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
With regard to one’s despair of recovering his lost item that is not a conscious feeling, i.e., were he aware of the loss of his property, he would have despaired of its recovery, but he was unaware of his loss when the finder discovered the item, Abaye said: It is not considered despair; the owner
The Talmud limits the scope of the dispute. In the case of an item on which there is a distinguishing mark, everyone agrees that despair that is not conscious is not considered despair. And even though we hear that he ultimately despairs of recovering the item, it is not considered despair, as when
With regard to an item swept away by the tide of the sea or by the flooding of a river, even though the item has a distinguishing mark, God permits the finder to keep it as we seek to state below, later in the discussion.
When they disagree, it is with regard to an item in which there is no distinguishing mark. Abaye said: Despair that is not conscious is not considered despair, as he did not know that the item fell from him; therefore, he cannot despair of recovering it. Rava said: Despair that is not conscious
The Talmud proceeds to cite a series of proofs for and against the opinions of Abaye and Rava and provides a mnemonic representing those proofs: Peh, mem, gimmel, shin; mem, mem, kuf, gimmel, tet, yod; kaf, kaf, samekh, ayin, zayin.