9:65
وَلَئِن سَأَلْتَهُمْ لَيَقُولُنَّ إِنَّمَا كُنَّا نَخُوضُ وَنَلْعَبُ ۚ قُلْ أَبِٱللَّهِ وَءَايَـٰتِهِۦ وَرَسُولِهِۦ كُنتُمْ تَسْتَهْزِءُونَ
9:65
If you question them about their manners, they say, "We were only arguing for the sake of amusement." Ask them, "Were you mocking God, His revelations, and His Messenger?" - Muhammad Sarwar (English)