9يا أَيُّهَا الَّذينَ آمَنوا إِذا نودِيَ لِلصَّلاةِ مِن يَومِ الجُمُعَةِ فَاسعَوا إِلىٰ ذِكرِ اللَّهِ وَذَرُوا البَيعَ ۚ ذٰلِكُم خَيرٌ لَكُم إِن كُنتُم تَعلَمونَUzunoglu et al.O believers! When the call is heard for the prayer on Friday, hasten to the remembrance of Allah and cease your trading. That is better for you if you but knew it.