An-Nur 24:16

Walawla ith samiAAtumoohuqultum ma yakoonu lana an natakallama bihathasubhanaka hatha buhtanun AAatheem

And why, when you heard it, did you not say, "It is not for us to speak of this. Exalted are You, [O Allāh]; this is a great slander"?

And why, when you heard of it, did you not say, “It is not for us to speak about this. Pure are You (O Allah). This is a terrible calumny.”