17. Al-Isra (Isra', The Night Journey, Children Of Israel)

Surah: 17   Aya: 23

23. Waqada rabbuka alla taAAbudoo illa iyyahu wabialwalidayni ihsanan imma yablughanna AAindaka alkibara ahaduhuma aw kilahuma fala taqul lahuma offin wala tanharhuma waqul lahuma qawlan kareeman
  

  Translation

23. And your Lord has decreed that you worship none but Him. And that you be dutiful to your parents. If one of them or both of them attain old age in your life, say not to them a word of disrespect, nor shout at them but address them in terms of honour.