[Allah] said, "O John, take the Scripture with determination." And We gave him judgement [while yet] a boy
The Saheeh International Quran Translation
يَٰيَحْيَىٰ خُذِ ٱلْكِتَٰبَ بِقُوَّةٍ وَءَاتَيْنَٰهُ ٱلْحُكْمَ صَبِيًّا[Allah] said, "O John, take the Scripture with determination." And We gave him judgement [while yet] a boy