Abd al-Jabbar bin al-'Ala' عبد الجبار بن العلاء بن عبد الجبار · The Book of Jihad

"I heard the Messenger of Allah (ﷺ) say: 'By the One in Whose hand is my soul, were it not that some men among the believers would not like to stay behind when I went out (to fight), and I could not find any mounts for them, I would not have stayed behind from any campaign that fought in the cause of Allah. By the One in Whose hand is my soul, I wish that I could be killed in…