The Quran 49:06 (Surah al-Hujurat)
O you who believe! If a wicked person comes to you with any news, verify it, lest you harm people unknowingly, and afterwards become full of repentance for what you have done.
O you who believe! If a wicked person comes to you with any news, verify it, lest you harm people unknowingly, and afterwards become full of repentance for what you have done.