فَلَا اقْتَحَمَ الْعَقَبَةَ وَمَا أَدْرَاكَ مَا الْعَقَبَةُ فَكُّ رَقَبَةٍ أَوْ إِطْعَامٌ فِي يَوْمٍ ذِي مَسْغَبَةٍ He didn't rush to break into obstacle. What do you know about the obstacle? It is freeing a slave or feeding someone on a day of famine.