Purity and chastity

وَلَوْلَآ إِذْ سَمِعْتُمُوهُ قُلْتُم مَّا يَكُونُ لَنَآ أَن نَّتَكَلَّمَ بِهَـٰذَا سُبْحَـٰنَكَ هَـٰذَا بُهْتَـٰنٌ عَظِيمٌ

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"?

فِيهِنَّ قَـٰصِرَٰتُ ٱلطَّرْفِ لَمْ يَطْمِثْهُنَّ إِنسٌ قَبْلَهُمْ وَلَا جَآنٌّ

In them are women limiting [their] glances, untouched before them by man or jinnī -

كَأَمْثَـٰلِ ٱللُّؤْلُؤِ ٱلْمَكْنُونِ

The likenesses of pearls well-protected,