UNRELATED MEN AND WOMEN H 1003 "No man should be alone with a woman unless there is present one of her relatives that she cannot marry, nor should she travel except in the company of such a relative." Someone asked, "'O Messenger of Allah, praise and peace be upon him, my wife is about to leave on pilgrimage and I have enlisted in the Battle of such and such.' He told him, 'Go and offer the pilgrimage with your wife.'" R 1003 Bukhari and Muslim with a chain up to ibn Abbas who related that he heard the Messenger of Allah, praise and peace be upon him, say this. ON THE SUBJECT OF 180 VIRTUE OF RECITING THE KORAN
990- وعن ابن عباس رضي الله عنهما : أنَّهُ سَمِعَ النبيَّ صلى الله عليه وآله وسلم ، يقول : "لاَ يَخْلُوَنَّ رَجُلٌ بِامْرَأَةٍ إِلاَّ وَمَعَهَا ذُو مَحْرَمٍ ، وَلاَ تُسَافِرُ المَرْأةُ إِلاَّ مَعَ ذِي مَحْرَمٍ" فَقَالَ لَهُ رَجُلٌ : يَا رسولَ الله ، إنَّ امْرَأتِي خَرَجَتْ حَاجَّةً ، وَإنِّي اكْتُتِبْتُ في غَزْوَةِ كَذَا وَكَذَا ؟ قَالَ : "انْطَلِقْ فَحُجَّ مَعَ امْرَأَتِكَ" متفقٌ عَلَيْهِ .