“My praise confers honour, and my condemnation brings disgrace,” he replied, “That is Allah.”

Allah, glory be to Him, has praised courage and generosity in His cause. Thus, in an authentic hadith, Abū Mūsā al-Ashʿarī, may Allah be pleased with him, reported that the Messenger of Allah was asked, “O Messenger of Allah, a man fights out of bravery, partisan zeal, or a desire to be seen by others. Which of these is in Allah’s cause?” He replied, “Whoever fights so that Allah’s word may be supreme is fighting in Allah’s cause.”

And He, glory be to Him, said:
“Fight them until there is no more fitnah and religion is entirely for Allah.”
Surah al-Anfāl, 39

That is the purpose for which Allah created creation, as He Most High said:
“I did not create jinn and mankind except to worship Me.”
Surah al-Dhāriyāt, 56

Thus, whatever is done for the sake of the purpose