وَ أَقِمِ الصَّلاَةَ إِنَّ الصَّلاةَ تَنْهَى‏ عَنِ الْفَحْشَاءِ وَ الْمُنْكَرِ وَ لَذِكْرُ اللٌّهِ أَكْبَرُ

“And keep up prayer; surely prayer keeps (one) away from indecency and evil. And the remembrance of Allah is the greatest.”
Noble Qur’an, Suratul `Ankabut, Verse 45