Remorse for sin

Sayyidah Aishah Siddiqah (may Allah be pleased with her) says: The Prophet (peace and blessings be upon him) said to me: "O Aishah, if you have committed a sin, then seek forgiveness from Allah Almighty, for repentance from sin is to feel remorse and to seek forgiveness."
Allamah al-Haythami says: I say: Part of the beginning of this narration is mentioned in the Sahih.
Ahmad recorded it, and its narrators are the narrators of the Sahih, except for Muhammad bin Yazid al-Wasiti, and he is thiqah (trustworthy).

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) reports that the Prophet (peace and blessings be upon him) said: "The expiation of sin is remorse."
Ahmad recorded it, and al-Tabarani in al-Mu'jam al-Kabir and al-Mu'jam al-Awsat; its chain contains Yahya bin Amr bin Malik al-Nukri, who is da'if (weak).

Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) reports that the Prophet (peace and blessings be upon him) said: "The remorseful one awaits repentance, and the self-admiring one awaits displeasure."
Al-Tabarani recorded it in al-Mu'jam al-Saghir; its chain contains Mutarrif bin Mazin, who is da'if (weak).

Sayyiduna Anas (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Remorse is repentance."
Al-Bazzar recorded it from his teacher Amr bin Malik al-Ruwasi, whom more than one scholar declared da'if (weak), while Ibn Hibban declared him thiqah (trustworthy) and said: He narrates unusual (gharib) reports and makes mistakes. The rest of its narrators are the narrators of the Sahih.

Sayyiduna Wa'il bin Hujr (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Remorse is repentance."
Al-Tabarani recorded it; its chain contains Isma'il bin Amr al-Bajali, whom Ibn Hibban declared thiqah (trustworthy) while more than one scholar declared him da'if (weak), and the rest of its narrators have been declared trustworthy.

The son of Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) reports from his father that the Prophet (peace and blessings be upon him) said: "Remorse is repentance, and the one who repents from sin is like one who has no sin."
Al-Tabarani recorded it; its chain contains a narrator whom I do not know.

Sayyiduna Abu Hurayrah (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Remorse is repentance."
Al-Tabarani recorded it in al-Mu'jam al-Saghir, and its narrators have been declared trustworthy, though there is disagreement about them.

Sayyiduna Abu Hurayrah (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "A servant commits a sin, then when he remembers it, what he did grieves him; when Allah Almighty sees from him that he is grieved by what he did, Allah Almighty forgives him."
Al-Tabarani recorded it in al-Mu'jam al-Awsat; its chain contains Dawud bin al-Muhabbar, who is da'if (weak).

Sayyidah Aishah Siddiqah (may Allah be pleased with her) says: The Prophet (peace and blessings be upon him) said: "Whoever commits a sin and then feels remorse, Allah Almighty forgives him that sin before he even seeks forgiveness; and whoever Allah Almighty grants a blessing and he knows (that is, believes) that the blessing is from Allah Almighty, Allah Almighty records for him the gratitude for that blessing before he has praised Allah Almighty for it; and whoever Allah Almighty gives a garment to wear and he knows that it is Allah Almighty who gave it to him to wear, he is forgiven before the garment reaches his knees."
Al-Tabarani recorded it in al-Mu'jam al-Awsat with two chains; one of them contains Bazi' bin Hassan Abu al-Khalil and the other contains Sulayman bin Dawud al-Minqari, and both are da'if (weak).