Al-'Ankabut 29:45
ٱتْلُ مَآ أُوحِىَ إِلَيْكَ مِنَ ٱلْكِتَـٰبِ وَأَقِمِ ٱلصَّلَوٰةَ ۖ إِنَّ ٱلصَّلَوٰةَ تَنْهَىٰ عَنِ ٱلْفَحْشَآءِ وَٱلْمُنكَرِ ۗ وَلَذِكْرُ ٱللَّهِ أَكْبَرُ ۗ وَٱللَّهُ يَعْلَمُ مَا تَصْنَعُونَ
Otlu ma oohiya ilayka minaalkitabi waaqimi assalata inna assalatatanha AAani alfahsha-i walmunkariwalathikru Allahi akbaru wallahuyaAAlamu ma tasnaAAoon
"Recite, [O Muḥammad], what has been revealed to you of the Book and establish prayer. Indeed, prayer prohibits immorality and wrongdoing, and the remembrance of Allāh is greater. And Allāh knows that which you do."
Al-'Ankabut 29:45, translation by Sahih International
A short reflection
Indeed, prayer prohibits immorality and wrongdoing — a promise, if we let the prayer do its work.