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]. (ID)
App reference (ID): Book 18, Hadith 63 (ID)
Arabic/English book reference (ID): Book 18, Hadith 1573 (ID)