يَـأَيُّهَا الَّذِينَ ءَامَنُواْ اصْبِرُواْ وَصَابِرُواْ وَرَابِطُواْ وَاتَّقُواْ اللَّهَ لَعَلَّكُمْ تُفْلِحُونَ
 (O you who believe! Endure and be more patient, and Rabitu, and have Taqwa of Allah, so that you may be successful)' ï´¿3:200ï´¾.† Al-Hafiz Ibn `Asakir mentioned in the biography of `Abdullah bin Al-Mubarak, that Muhammad bin Ibrahim bin Abi Sakinah said, â€While in the area of Tarsus, `Abdullah bin Al-Mubarak dictated this poem to me when I was greeting him goodbye. He sent the poem with me to Al-Fudayl bin `Iyad in the year one hundred and seventy, `O he who worships in the vicinity of the Two Holy Masjids! If you but see us, you will realize that you are only jesting in worship. He who brings wetness to his cheek with his tears, should know that our necks are being wet by our blood. He who tires his horses without purpose, know that our horses are getting tired in battle. Scent of perfume is yours, while our scent is the glimmer of spears and the stench of dust ï´¿in battleï´¾. We were narrated about in the speech of our Prophet, an authentic statement that never lies. That the dust that erupts by Allah's horses and which fills the nostrils of a man shall never be combined with the smoke of a raging Fire. This, the Book of Allah speaks among us that the martyr is not dead, and the truth in Allah's Book cannot be denied.' I met Al-Fudayl Ibn `Iyad in the Sacred Masjid and gave him the letter. When he read it, his eyes became tearful and he said, `Abu `Abdur-Rahman (`Abdullah bin Al-Mubarak) has said the truth and offered sincere advice to me.' He then asked me, `Do you write the Hadith' I said, `Yes.' He said, `Write this Hadith as reward for delivering the letter of Abu `Abdur-Rahman to me. He then dictated, `Mansur bin Al-Mu`tamir narrated to us that Abu Salih narrated from Abu Hurayrah that a man asked, `O Messenger of Allah! Teach me a good deed that will earn me the reward of the Mujahidin in Allah's cause.' The Prophet said, Â