Al-Hadid (Iron)

Surah 57 · Verse 6

He causes the night to enter into the day and He causes the day to enter into the night, and He is the Knower of what the bosoms (hearts) possess.

يُولِجُ اللَّيْلَ فِي النَّهَارِ وَيُولِجُ النَّهَارَ فِي اللَّيْلِ ۚ وَهُوَ عَلِيمٌ بِذَاتِ الصُّدُورِ