Surah An-Nisa Verse 86 - English Translation by Dr Munir Munshey
Surah An-Nisaوَإِذَا حُيِّيتُم بِتَحِيَّةٖ فَحَيُّواْ بِأَحۡسَنَ مِنۡهَآ أَوۡ رُدُّوهَآۗ إِنَّ ٱللَّهَ كَانَ عَلَىٰ كُلِّ شَيۡءٍ حَسِيبًا
When someone welcomes you with a greeting, respond with an even better salute, or (at least) return the same greeting. Indeed, Allah will take into account every single thing