﴿ وَلَوْلَآ إِذْ سَمِعْتُمُوهُ قُلْتُم مَّا يَكُونُ لَنَآ أَن نَّتَكَلَّمَ بِهَٰذَا سُبْحَٰنَكَ هَٰذَا بُهْتَٰنٌ عَظِيمٌۭ ﴾

“And [once again]: Why do you not say, whenever you hear such [a rumour], “It does not behove us to speak of this, O Thou who art limitless in Thy glory: this is an awesome calumny”?”

Please check ayah 24:18 for complete tafsir.