22. Al-Hajj (The Pilgrimage)

Surah: 22   Aya: 39

39. Othina lillatheena yuqataloona bi-annahum thulimoo wa-inna Allaha AAala nasrihim laqadeerun
  

  Translation

39. Permission to fight is given to those (i.e. believers against disbelievers), who are fighting them, (and) because they (believers) have been wronged, and surely, Allâh is Able to give them (believers) victory