Hadith #4920 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): ar-Rubbayi' bint Mu'awwidh bin 'Afra', Khalid bin Dhkwan خالد بن ذكوان, Masdad bin Masrhad مسدد بن مسرهد بن مسربل
Grade: Sahih

The Prophet (ﷺ) said: He who forged in order to put things right between two persons did not lie. The version by Ahmad ibn Muhammad and Musaddad has: The liar is not the one who puts things right between people, saying what is good and increasing good.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4920/

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Hadith #5212 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): Hammad bin Zayd حماد بن زيد بن درهم الأزدي الأزرق, Khalid bin Dhkwan خالد بن ذكوان, Musa bin Isma'il al-Munqari al-Tabudhaki موسى بن إسماعيل المنقري - لتبوذكي
Grade: Sahih

The Prophet (ﷺ) said: Two Muslims will not meet and shake hands having their sins forgiven them before they separate.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-5212/