ذٰلِكَ مِن أَنباءِ الغَيبِ نوحيهِ إِلَيكَ ۚ وَما كُنتَ لَدَيهِم إِذ يُلقونَ أَقلامَهُم أَيُّهُم يَكفُلُ مَريَمَ وَما كُنتَ لَدَيهِم إِذ يَختَصِمونَ

That is from the news of the unseen which We reveal to you, [O Muhammad]. And you were not with them when they cast their pens as to which of them should be responsible for Mary. Nor were you with them when they disputed.