2. Al-Baqara (The Cow)

Surah: 2   Aya: 152

152. Faothkuroonee athkurkum waoshkuroo lee wala takfurooni
  

  Translation

152. Therefore remember Me (by praying, glorifying, etc.). I will remember you, and be grateful to Me (for My countless Favours on you) and never be ungrateful to Me.