Abu Hurairah (May Allah be pleased with him) said:
The Messenger of Allah (ﷺ) said, "Beware of suspicion, for suspicion is the worst of false tales."[Al-Bukhari and Muslim]. (IT)
App reference (IT): Book 18, Hadith 63 (IT)
Arabic/English book reference (IT): Book 18, Hadith 1573 (IT)