Ya-Sin - 36:76

فَلَا يَحْزُنكَ قَوْلُهُمْ إِنَّا نَعْلَمُ مَا يُسِرُّونَ وَمَا يُعْلِنُونَ
[36:76]
Therefore let not their speech grieve you; surely We know what they do in secret and what they do openly.
Let not their speech, then, grieve thee. Verily We know what they hide as well as what they disclose.
So let not their speech grieve thee (O Muhammad). Lo! We know what they conceal and what proclaim.