Allah's preparation of His messengers from childhood

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