English Translation of Al-Quran
[33].Surah Al-Ahzab [The Confederates]
Ayat 23. Among the believers are men who have been true to their covenant with Allah [i.e. they have gone out for Jihad (holy fighting), and showed not their backs to the disbelievers], of them some have fulfilled their obligations (i.e. have been martyred), and some of them are still waiting, but they have never changed [i.e. they never proved treacherous to their covenant which they concluded with Allah] in the least.
Tafseer of Surah Al Ahzab (The Confederates) Ayat 23. Among the Believers are men who have been true to their covenant with Allah. of them some have completed their vow (to the extreme), and some (still) wait: but they have never changed (their determination) in the least: In the fight for Truth were (and are) many who sacrificed their all-resources, knowledge, influence, life itself- in the Cause, and never wavered. If they won the crown of martyrdom, they were blessed. Such a one was Saad Ibn Muadh, The chief of the Aws tribe, the intrepid standard-bearer of Islam, who died of a wound he had received in the Battle of the Trench. Other heroes fought valiantly and lived; always ready to lay down their lives. Both classes were staunch, they never changed or wavered.
English Translation of Hadith
Hazrat Anas (May Allah be pleased with him) reported: Whenever the Messenger of Allah 
[Abu Dawud Hadith # 2632 and At-Tirmidhi Hadith # 3584].
Lesson : Along with the physical resources for war, one should also pray for victory, and for that, it is essential that one submits to Allah, remembers Him and seeks His Help. Prayer is a great source of strength and support for a Muslim and he must make full use of it. The Hadith also teaches us what to say when one sets out for Jihad.
