Surah Maryam 19:12

يَـٰيَحْيَىٰ خُذِ ٱلْكِتَـٰبَ بِقُوَّةٍ ۖ وَءَاتَيْنَـٰهُ ٱلْحُكْمَ صَبِيًّا

[Allāh said], "O John, take the Scripture [i.e., adhere to it] with determination." And We gave him judgement [while yet] a boy

Translation: Saheeh International

Tafsir

And two years after his birth God exalted be He said to him ‘O John! Hold on to the Scripture namely the Torah firmly’ earnestly. And We gave him judgement prophethood while still a child a three-year old;

Excerpt from Tafsir al-Jalalayn, commentary on 19:12, via Quran.com. The reader has the full commentary and 9 more tafsirs.