18. Al-Kahf (The Cave)

Surah: 18   Aya: 30

30. Inna allatheena amanoo waAAamiloo alssalihati inna la nudeeAAu ajra man ahsana AAamalan
  

  Translation

30. Verily! As for those who believe and do righteous deeds, certainly! We shall not suffer to be lost the reward of anyone who does his (righteous) deeds in the most perfect manner.