Surah Al-Isra, ayah 85

17:85

وَيَسۡـَٔلُونَكَ عَنِ ٱلرُّوحِۖ قُلِ ٱلرُّوحُ مِنۡ أَمۡرِ رَبِّي وَمَآ أُوتِيتُم مِّنَ ٱلۡعِلۡمِ إِلَّا قَلِيلٗا ٨٥

Wayas'alūnaka 'anir-rūhi qulir-rūhu min amri rabbī wamā ūtītum minal-'ilmi illā qalīlā

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."