Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:2:244 –

And fight in the cause of Allah and know that Allah is Hearing and Knowing.  

So fight in God’s way, in order to elevate His religion, and know that God is Hearing, of your sayings, Knowing, of your affairs, and He will requite you accordingly.
القرآن:٢:٢٤٤ –

وَقَاتِلُوا فِي سَبِيلِ اللَّهِ وَاعْلَمُوا أَنَّ اللَّهَ سَمِيعٌ عَلِيمٌ  

{وقاتلوا في سبيل الله} أي لإعلاء دينه {واعلموا أن الله سميع} لأقوالكم {عليم} بأحوالكم فمجازيكم.