And they will not be able [to give] any instruction, nor to their people can they return.
The Saheeh International Quran Translation
فَلَا يَسْتَطِيعُونَ تَوْصِيَةً وَلَآ إِلَىٰٓ أَهْلِهِمْ يَرْجِعُونَAnd they will not be able [to give] any instruction, nor to their people can they return.