Surah Az-Zalzalah (The Earthquake), Verse 8

وَمَنْ یَّعْمَلْ مِثْقَالَ ذَرَّةٍ شَرًّا یَّرَهٗ 

Wa maiy-y'amal mithqala zarratin sharraiy-yarah

“And anyone who has done an atom's weight of evil, shall see it.”

Quran 99:8 (Yusuf Ali Translation)