حَدَّثَنَا هِشَامُ بْنُ عَمَّارٍ، حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ زَيْدِ بْنِ أَسْلَمَ، عَنْ أَبِيهِ، عَنْ مُصْعَبِ بْنِ ثَابِتٍ، عَنْ عَبْدِ اللَّهِ بْنِ الزُّبَيْرِ، قَالَ خَطَبَ عُثْمَانُ بْنُ عَفَّانَ النَّاسَ فَقَالَ يَا أَيُّهَا النَّاسُ إِنِّي سَمِعْتُ حَدِيثًا مِنْ رَسُولِ اللَّهِ صلى الله عليه وسلم لَمْ يَمْنَعْنِي أَنْ أُحَدِّثَكُمْ بِهِ إِلاَّ الضِّنُّ بِكُمْ وَبِصَحَابَتِكُمْ فَلْيَخْتَرْ مُخْتَارٌ لِنَفْسِهِ أَوْ لِيَدَعْ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ ‏"‏ مَنْ رَابَطَ لَيْلَةً فِي سَبِيلِ اللَّهِ سُبْحَانَهُ كَانَتْ كَأَلْفِ لَيْلَةٍ صِيَامِهَا وَقِيَامِهَا ‏"‏ ‏.‏

It wasnarrated that Ubayy bin Ka’b said

“The Messenger of Allah(ﷺ)said: ‘For guarding the frontier for a day in the cause ofAllah,defending the Muslims, seeking reward, apart from in the monthofRamadan, there is a reward granted greater than worshipping for ahundred years, fasting and praying. Guarding the frontier for a dayinthe cause of Allah, defending the Muslims, seeking reward, in themonth of Ramadan, is better before Allah and brings a greater reward”– I think he said – “than worshipping for a thousand years,fastingand praying. If Allah returns him to his family safe andsound, no baddeed will be recorded for him for a thousand years, buthis good deedswill be recorded, and the reward for guarding thefrontier will cometo him until the Day of Resurrection.”