Riyad as-Saliheen 1580
Abu Hurairah (May Allah be pleased with him) said:
The Messenger of Allah ﷺ said, "Do not practise Najsh (to cheat)."
[Muslim].
وعنه أن رسول الله ﷺ ، قال:
" لا تناجشوا" ((متفق عليه)).
Classification
Sahih (Authentic)
References
Riyad as-Saliheen 1580
Riyad as-Saliheen Book of Prohibited actions, Hadith 70