21. Al-Anbiya (The Prophets)

Surah: 21   Aya: 25

25. Wama arsalna min qablika min rasoolin illa noohee ilayhi annahu la ilaha illa ana faoAAbudooni
  

  Translation

25. And We did not send any Messenger before you (O Muhammad SAW) but We inspired him (saying): Lâ ilâha illa Ana [none has the right to be worshipped but I (Allâh)], so worship Me (Alone and none else)."