Hazrat Shurahbil bin Simt (may Allah have mercy on him) says that we said to Hazrat Ka'b bin Murrah (may Allah be pleased with him): "O Ka'b (may Allah be pleased with him)! Tell us a hadith narrated by the Prophet صلی اللہ علیہ وسلم and fear Allah!" Hazrat Ka'b bin Murrah (may Allah be pleased with him) said: "I heard the Messenger of Allah صلی اللہ علیہ وسلم say: 'Shoot arrows at the enemy. Whoever's arrow strikes the enemy, Allah Almighty raises his rank by one degree in Paradise.' Upon hearing this statement of the Prophet صلی اللہ علیہ وسلم , Hazrat Abdur Rahman bin Abi Naham (may Allah be pleased with him) said: 'O Messenger of Allah! How great is that rank?' The Prophet صلی اللہ علیہ وسلم replied: 'That rank is not like the land of your father, but the distance between two ranks is the distance of a hundred years.' We then said: 'O Ka'b (may Allah be pleased with him)! Tell us a hadith narrated by the Prophet صلی اللہ علیہ وسلم and fear Him.' He said: 'I heard the Messenger of Allah صلی اللہ علیہ وسلم say: Whoever's hair turns white in the path of Allah, it will be a light for him on the Day of Resurrection, and whoever shoots an arrow in the path of Allah, it is as if he has freed a slave.'"