Prohibition of Suspicion

Imam Al-Nawawi’s Riyad-us-Saliheen
Chapter 272
Prohibition of Suspicion

Allah, the Exalted, says:

O you who believe! Avoid much suspicions, indeed some suspicions are sins.” (49:12)

1573. Abu Hurairah (May Allah be pleased with him) said: The Messenger of Allah (sallallaahu ’alayhi wa sallam) said, “Beware of suspicion, for suspicion is the worst of false tales.
[Al-Bukhari and Muslim].