Surah Al-Isra — Ayah 23 (17:23)
۞ وَقَضَىٰ رَبُّكَ أَلَّا تَعۡبُدُوٓاْ إِلَّآ إِيَّاهُ وَبِٱلۡوَٰلِدَيۡنِ إِحۡسَٰنًاۚ إِمَّا يَبۡلُغَنَّ عِندَكَ ٱلۡكِبَرَ أَحَدُهُمَآ أَوۡ كِلَاهُمَا فَلَا تَقُل لَّهُمَآ أُفّٖ وَلَا تَنۡهَرۡهُمَا وَقُل لَّهُمَا قَوۡلٗا كَرِيمٗا ٢٣
English translation (Saheeh International)
And your Lord has decreed that you worship not except Him, and to parents, good treatment. Whether one or both of them reach old age [while] with you, say not to them [so much as], "uff,"1 and do not repel them but speak to them a noble word.
- - An expression of disapproval or irritation.
Brief commentary
Your Lord - O servant - has instructed and made obligatory that you worship none but Him, and He has instructed that you be good to your parents, especially when they become old. If either of them or both of them reach old age with you, do not become annoyed with them by uttering words that indicate the same, do not scold them and do not be harsh when speaking to them, but say to them kind words that are soft and courteous.