Verse 111

إِنَّ ٱللَّهَ ٱشْتَرَىٰ مِنَ ٱلْمُؤْمِنِينَ أَنفُسَهُمْ وَأَمْوَٰلَهُم بِأَنَّ لَهُمُ ٱلْجَنَّةَ يُقَـٰتِلُونَ فِى سَبِيلِ ٱللَّهِ فَيَقْتُلُونَ وَيُقْتَلُونَ وَعْدًا عَلَيْهِ حَقًّا فِى ٱلتَّوْرَىٰةِ وَٱلْإِنجِيلِ وَٱلْقُرْءَانِ وَمَنْ أَوْفَىٰ بِعَهْدِهِۦ مِنَ ٱللَّهِ فَٱسْتَبْشِرُوا۟ بِبَيْعِكُمُ ٱلَّذِى بَايَعْتُم بِهِۦ وَذَٰلِكَ هُوَ ٱلْفَوْزُ ٱلْعَظِيمُ

Indeed God has taken the lives and money of the faithful in exchange for the Paradise. They fight in the cause of God, then they either kill or get killed, this is His truthful promise in the Torah, the Injeel and the Quran. And who is more faithful to his promise than God? Therefore, you shall have the good news of the trade you have made. And this is the greatest triumph.