Quran Al-Mulk 67:13
وَأَسِرُّواْ قَوۡلَكُمۡ أَوِ ٱجۡهَرُواْ بِهِۦٓۖ إِنَّهُۥ عَلِيمُۢ بِذَاتِ ٱلصُّدُورِ ١٣
Translation
And conceal your speech or publicize it; indeed, He is Knowing of that within the breasts.
وَأَسِرُّواْ قَوۡلَكُمۡ أَوِ ٱجۡهَرُواْ بِهِۦٓۖ إِنَّهُۥ عَلِيمُۢ بِذَاتِ ٱلصُّدُورِ ١٣
And conceal your speech or publicize it; indeed, He is Knowing of that within the breasts.