Fighting for the Cause of Allah (Jihaad)
حَدَّثَنَا أَبُو نُعَيْمٍ، حَدَّثَنَا سُفْيَانُ، عَنِ ابْنِ جُرَيْجٍ، عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ أَبِي مَعْبَدٍ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ جَاءَ رَجُلٌ إِلَى النَّبِيِّ صلى الله عليه وسلم فَقَالَ يَا رَسُولَ اللَّهِ، إِنِّي كُتِبْتُ فِي غَزْوَةِ كَذَا وَكَذَا، وَامْرَأَتِي حَاجَّةٌ. قَالَ " ارْجِعْ فَحُجَّ مَعَ امْرَأَتِكَ ".Narrated Ibn `Abbas:A man came to the Prophet (ﷺ) and said, "O Allah's Messenger (ﷺ)! I have enlisted in the army for such-andsuch Ghazwa, and my wife is leaving for Hajj." Allah's Messenger (ﷺ) said, "Go back and perform Hajj with your wife
From Sahih al-Bukhari, whose reports the scholars accept as authentic.