That the Messenger of Allah ﷺ said: "None of the people of Paradise would wish to return to the world except for the martyr who indeed would love to return to the world saying that he would love to be killed ten times in Allah's cause because of what he has seen of the honor that He has given him."  

قَالَ رَسُولُ اللَّهِ ﷺ مَا مِنْ أَحَدٍ مِنْ أَهْلِ الْجَنَّةِ يَسُرُّهُ أَنْ يَرْجِعَ إِلَى الدُّنْيَا غَيْرُ الشَّهِيدِ فَإِنَّهُ يُحِبُّ أَنْ يَرْجِعَ إِلَى الدُّنْيَا يَقُولُ حَتَّى أُقْتَلَ عَشْرَ مَرَّاتٍ فِي سَبِيلِ اللَّهِ مِمَّا يَرَى مِمَّا أَعْطَاهُ اللَّهُ مِنَ الْكَرَامَةِ  

] This Hadith is Hasan Sahih.  

عَنِ النَّبِيِّ ﷺ نَحْوَهُ بِمَعْنَاهُ  

That the Messenger of Allah ﷺ said: "There are six things with Allah for the martyr. He is forgiven with the first flow of blood (he suffers), he is shown his place in Paradise, he is protected from punishment in the grave, secured from the greatest terror, the crown of dignity is placed upon his head - and its gems are better than the world and what is in it - he is married to seventy two wives along Al-Huril-'Ayn of Paradise, and he may intercede for seventy of his close relatives."  

قَالَ رَسُولُ اللَّهِ ﷺ لِلشَّهِيدِ عِنْدَ اللَّهِ سِتُّ خِصَالٍ يُغْفَرُ لَهُ فِي أَوَّلِ دَفْعَةٍ وَيَرَى مَقْعَدَهُ مِنَ الْجَنَّةِ وَيُجَارُ مِنْ عَذَابِ الْقَبْرِ وَيَأْمَنُ مِنَ الْفَزَعِ الأَكْبَرِ وَيُوضَعُ عَلَى رَأْسِهِ تَاجُ الْوَقَارِ الْيَاقُوتَةُ مِنْهَا خَيْرٌ مِنَ الدُّنْيَا وَمَا فِيهَا وَيُزَوَّجُ اثْنَتَيْنِ وَسَبْعِينَ زَوْجَةً مِنَ الْحُورِ الْعِينِ وَيُشَفَّعُ فِي سَبْعِينَ مِنْ أَقَارِبِهِ