Surah Luqman 31:16

يَـٰبُنَىَّ إِنَّهَآ إِن تَكُ مِثْقَالَ حَبَّةٍ مِّنْ خَرْدَلٍ فَتَكُن فِى صَخْرَةٍ أَوْ فِى ٱلسَّمَـٰوَٰتِ أَوْ فِى ٱلْأَرْضِ يَأْتِ بِهَا ٱللَّهُ ۚ إِنَّ ٱللَّهَ لَطِيفٌ خَبِيرٌ

[And Luqmān said], "O my son, indeed if it [i.e., a wrong] should be the weight of a mustard seed and should be within a rock or [anywhere] in the heavens or in the earth, Allāh will bring it forth. Indeed, Allāh is Subtle and Aware.

Translation: Saheeh International

Tafsir

‘O my son! Even if it namely the evil trait should be the weight of a grain of mustard-seed and even if it be in a rock or in the heavens or in the earth in other words in the most concealed place therein God will bring it forth and He will call that person to account for it. …

Excerpt from Tafsir al-Jalalayn, commentary on 31:16, via Quran.com. The reader has the full commentary and 9 more tafsirs.