وَلَوْلَا إِذْ سَمِعْتُمُوهُ قُلْتُم مَّا يَكُونُ لَنَا أَن نَّتَكَلَّمَ بِهَذَا سُبْحَانَكَ هَذَا بُهْتَانٌ عَظِيمٌ

And why did you not, when you heard it, say, ‘It is not for us to say such a thing. [O Allah!] You are immaculate! This is a monstrous calumny!’