21. Al-Anbiya (The Prophets)

Surah: 21   Aya: 36

36. Wa-itha raaka allatheena kafaroo in yattakhithoonaka illa huzuwan ahatha allathee yathkuru alihatakum wahum bithikri alrrahmani hum kafiroona
  

  Translation

36. And when those who disbelieve (in the Oneness of Allâh) see you (O Muhammad SAW), they take you not except for mockery (saying): "Is this the one who talks (badly) about your gods?" While they disbelieve at the mention of the Most Beneficent (Allâh). [Tafsir. Al-Qurtubî].