Surah Az-Zalzalah 99:7
فَمَن يَعْمَلْ مِثْقَالَ ذَرَّةٍ خَيْرًا يَرَهُۥ
So whoever does an atom's weight of good will see it,
Translation: Saheeh International
Tafsir
So whoever does an atom’s weight of good shall see it he shall see its reward
Excerpt from Tafsir al-Jalalayn, commentary on 99:7, via Quran.com. The reader has the full commentary and 9 more tafsirs.