(188) باب مَنْ تَكَلَّمَ بِالْفَارِسِيَّةِ وَالرَّطَانَةِ
Narrated Abu Huraira:
Al-Hasan bin 'All took a date from the dates of the Sadaqa and put it in his mouth. The Prophet (ﷺ) said (to him) in Persian, "Kakh, kakh! (i.e. Don't you know that we do not eat the Sadaqa (i.e. what is given in charity) (charity is the dirt of the people)).
Reference: Sahih al-Bukhari 3072
In-book reference: Book 56, Hadith 278
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 4, Book 52, Hadith 306