57:6
Al-Hadid 6
Surah Al-Hadid (الحديد), verse 6 — reference 57:6. Arabic text with optional translation and free audio on Al-Qalam.
يُولِجُ ٱلَّيْلَ فِى ٱلنَّهَارِ وَيُولِجُ ٱلنَّهَارَ فِى ٱلَّيْلِ ۚ وَهُوَ عَلِيمٌۢ بِذَاتِ ٱلصُّدُورِ
yūliju al-layla fī l-nahāri wayūliju l-nahāra fī al-layli wahuwa ʿalīmun bidhāti l-ṣudūri
He causes the night to enter the day and causes the day to enter the night, and He is Knowing of that within the breasts.