Surah Az-Zukhruf Verse 89

فَاصْفَحْ عَنْهُمْ وَقُلْ سَلَامٌ ۚ فَسَوْفَ يَعْلَمُونَ

Fasfah 'anhum wa qul salaam; fasawfa ya'lamoon

Translation / The Meaning

So turn aside from them and say, "Peace." But they are going to know.