The Prophet ﷺ came to them in the swelling place of immigrants and a man asked him: Which is the greatest verse of the Qur'an ? The Prophet ﷺ replied: Allah, there is no god but He - the Living, the Self-Subsisting Eternal. No slumber can seize Him nor sleep."
أَنَّهُ سَمِعَهُ يَقُولُ إِنَّ النَّبِيَّ ﷺ جَاءَهُمْ فِي صُفَّةِ الْمُهَاجِرِينَ فَسَأَلَهُ إِنْسَانٌ أَىُّ آيَةٍ فِي الْقُرْآنِ أَعْظَمُ قَالَ النَّبِيُّ ﷺ { اللَّهُ لاَ إِلَهَ إِلاَّ هُوَ الْحَىُّ الْقَيُّومُ لاَ تَأْخُذُهُ سِنَةٌ وَلاَ نَوْمٌ }