A man asked : where is my father, Messenger of Allah? He replied! Your father is in Hell. When he turned his back, he said : My father and your father are in Hell.
يَا رَسُولَ اللَّهِ أَيْنَ أَبِي قَالَ أَبُوكَ فِي النَّارِ فَلَمَّا قَفَّى قَالَ إِنَّ أَبِي وَأَبَاكَ فِي النَّارِ