The Women - 4:73 "And if a favor from Allah befalls you, he says, "I wish I had been with them and had won a great success,"as if there had been no friendship between you before."
Those who die or are killed in the way of Allah have achieved a great success:
The Cow/2:154 "Do not say to those who are killed in the Way of Allah, "They are dead". On the contrary, they are alive, but you do not realize it."

The Family Of Imran/3:157 If you die or are killed in the way of Allah, you will have Allah´s forgiveness and mercy, which is better than all that they gather.
The Family Of Imran/3:169 Do not think that those who are shot in the way of Allah are dead, but they are alive with their Lord in bliss.
The Family Of Imran/3:170 They are rejoicing in what Allah has given them in abundance. They wish to give good news to their companions who have not yet joined them that there is no fear or sorrow.
The Family Of Imran/3:195 "Their Lord answered them: "I will not leave unrewarded any of you who works, whether male or female; you are all equal. Those who emigrated, those who were expelled from their homes, those who were tortured and insulted in My way, those who fought and were killed... I will cover their evil deeds and place them in gardens with rivers flowing in them as a reward from Allah. The best reward is with Allah."
The Family Of Imran/3:140 If a hardship has touched you, a similar hardship has touched the enemy community. We turn over such days among the people so that Allah may distinguish the true believers and make some of you witnesses. Allah does not love the wrongdoers.

The Repentance/9:111 Allah has purchased the lives and property of the believers for Paradise. They fight and kill and are killed in the Way of Allah. This is His promise in the Torah, the Gospel and the Qur´an. Who better than Allah can fulfill His promise? So rejoice in this exchange. This is the greatest success.