"Indeed after you there will be days in which knowledge shall be raised up and Al-Harj shall abound." They said: "O Messenger of Allah ﷺ! What is Al-Harj?" He said: "Killing."  

قَالَ رَسُولُ اللَّهِ ﷺ إِنَّ مِنْ وَرَائِكُمْ أَيَّامًا يُرْفَعُ فِيهَا الْعِلْمُ وَيَكْثُرُ فِيهَا الْهَرْجُ قَالُوا يَا رَسُولَ اللَّهِ مَا الْهَرْجُ قَالَ الْقَتْلُ  

"Worship during Al-Harj is like Hijrah to me."  

عَنِ الْمُعَلَّى بْنِ زِيَادٍ رَدَّهُ إِلَى مُعَاوِيَةَ بْنِ قُرَّةَ رَدَّهُ إِلَى مَعْقِلِ بْنِ يَسَارٍ رَدَّهُ إِلَى النَّبِيِّ ﷺ قَالَ الْعِبَادَةُ فِي الْهَرْجِ كَالْهِجْرَةِ إِلَىَّ