وَأَسِرُّواْ قَوۡلَكُمۡ أَوِ ٱجۡهَرُواْ بِهِۦٓۖ إِنَّهُۥ عَلِيمُۢ بِذَاتِ ٱلصُّدُورِ
Wa asirroo qawlakum awijharoo bihee innahoo 'aleemum bizaatis sudoor
English Translation
And conceal your speech or publicize it; indeed, He is Knowing of that within the breasts
— Saheeh International