﴿ فَقَٰتِلْ فِى سَبِيلِ ٱللَّهِ لَا تُكَلَّفُ إِلَّا نَفْسَكَ ۚ وَحَرِّضِ ٱلْمُؤْمِنِينَ ۖ عَسَى ٱللَّهُ أَن يَكُفَّ بَأْسَ ٱلَّذِينَ كَفَرُوا۟ ۚ وَٱللَّهُ أَشَدُّ بَأْسًۭا وَأَشَدُّ تَنكِيلًۭا ﴾

“Fight thou, then, in God's cause - since thou art but responsible for thine own self - and inspire the believers to overcome all fear of death. God may well curb the might of those who are bent on denying the truth: for God is stronger in might, and stronger in ability to deter.”

Please check ayah 4:87 for complete tafsir.