This hadith warns against forming negative assumptions or suspicions about others without any evidence. The Prophet (peace be upon him) describes suspicion (al-Dhann) as the “falsest of speech” because it’s a form of lying in the heart that leads to slander and false accusations on the tongue.
Arabic text
عَنْ أَبِي هُرَيْرَةَ – رَضِيَ اللهُ عَنْهُ – أَنَّ رَسُولَ اللهِ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ قَالَ: “إِيَّاكُمْ وَالظَّنَّ، فَإِنَّ الظَّنَّ أَكْذَبُ الْحَدِيثِ. (مُتَّفَقٌ عَلَيْهِ)
Translation (meaning)
On the authority of Abu Hurayrah, may Allah be pleased with him, that the Messenger of Allah, peace and blessings be upon him, said: “Beware of suspicions, for indeed, suspicion is the falsest of speech.” (Agreed upon by Bukhari and Muslim)
Brief Explanation
This hadith warns against forming negative assumptions or suspicions about others without any evidence. The Prophet (peace be upon him) describes suspicion (al-Dhann) as the “falsest of speech” because it’s a form of lying in the heart that leads to slander and false accusations on the tongue. This is a direct command to guard one’s thoughts and actions from ill-will. The Quran also addresses this issue:
Surah Al-Hujurat (49:12): “O you who have believed, avoid much [negative] suspicion. Indeed, some suspicion is sin. And do not spy or backbite each other.”This verse links suspicions directly to sin, as it is often the first step toward spying on others and then backbiting them, all of which are forbidden in Islam.
Allah (SWT) knows best!