Surah Al-Isra, Verse 85

وَيَسۡـَٔلُونَكَ عَنِ ٱلرُّوحِۖ قُلِ ٱلرُّوحُ مِنۡ أَمۡرِ رَبِّي وَمَآ أُوتِيتُم مِّنَ ٱلۡعِلۡمِ إِلَّا قَلِيلٗا٨٥

wayasalūnaka ʿani l-rūḥi quli l-rūḥu min amri rabbī wamā ūtītum mina l-ʿil'mi illā qalīlan

And they ask you, [O Muḥammad], about the soul. Say, "The soul is of the affair [i.e., concern] of my Lord. And you [i.e., mankind] have not been given of knowledge except a little."