Abu Huraira reported God’s Messenger as saying, “If you greet all and sundry, provide food, and strike the pates of enemies, you will be made heirs of paradise."
Tirmidhi transmitted it, saying this is a gharib tradition.
Fadala b. ‘Ubaid reported God’s Messenger as saying, “Everyone who dies will have fully completed his actions, except one who is on the frontier in God’s path, for his deeds will be made to go on increasing for him till the day of resurrection, and he will be safe from the trial in the grave."
Tirmidhi and Abu Dawud transmitted it, and Darimi transmitted it on the authority of ‘Uqba b. ‘Amir.
Abu Umama reported the Prophet as saying, “He who does not join a war-like expedition, or equip a warrior, or look well after a warrior’s family when he is away, will be smitten by God with a sudden calamity before the day of resurrection.”