Quran english Al Hujurat 6

يا أيها الذين آمنوا إن جاءكم فاسق بنبإ فتبينوا أن تصيبوا قوما بجهالة فتصبحوا على ما فعلتم نادمين

Ya ayyuha allatheena amanooin jaakum fasiqun binaba-in fatabayyanoo an tuseebooqawman bijahalatin fatusbihoo AAala mafaAAaltum nadimeen

 
Sahih International
O you who have believed, if there comes to you a disobedient one with information, investigate, lest you harm a people out of ignorance and become, over what you have done, regretful.
Muhsin Khan
O you who believe! If a rebellious evil person comes to you with a news, verify it, lest you harm people in ignorance, and afterwards you become regretful to what you have done.
Pickthall
O ye who believe! If an evil-liver bring you tidings, verify it, lest ye smite some folk in ignorance and afterward repent of what ye did.
Yusuf Ali
O ye who believe! If a wicked person comes to you with any news, ascertain the truth, lest ye harm people unwittingly, and afterwards become full of repentance for what ye have done.
Shakir
O you who believe! if an evil-doer comes to you with a report, look carefully into it, lest you harm a people in ignorance, then be sorry for what you have done.
Dr. Ghali
O you who have believed, in case an immoral (person) comes to you with a tiding, then (ascertain) the evidence, for that you may afflict a people in ignorance, (and) then you become remorseful for what you have performed.