Sahih Bukhari · Hadith 3146
One-fifth of Booty to the Cause of Allah (Khumus) - كتاب فرض الخمس
حدثنا أبو الوليد، حدثنا شعبة، عن قتادة، عن أنس رضى الله عنه قال قال النبي صلى الله عليه وسلم " إني أعطي قريشا أتألفهم، لأنهم حديث عهد بجاهلية ".
Narrated Anas: The Prophet said, "I give to Quraish people in order to let them adhere to Islam, for they are near to their life of Ignorance (i.e. they have newly embraced Islam and it is still not strong in their hearts."
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).