عَنْ مُحَمَّدِ بْنِ يَحْيَى بْنِ حِبَّانَ الْأَنْصَارِيِّ ثُمَّ الْمَازِنِيِّ مَازِنِ بَنِي النَّجَّارِ عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ اللَّهِ بْنِ عُمَرَ رَضِيَ اللَّهُ عَنْهُ قَالَ: قُلْتُ لَهُ: أَرَأَيْتَ وَضُوءَ عَبْدِ اللَّهِ بْنِ عُمَرَ لِكُلِّ صَلَاةٍ طَاهِرًا كَانَ أَوْ غَيْرَ طَاهِرٍ عَمَّ هُوَ؟ فَقَالَ: حَدَّثَتْهُ أَسْمَاءُ بِنْتُ زَيْدِ بْنِ الْخَطَّابِ أَنَّ عَبْدَ اللَّهِ بْنَ حَنْظَلَةَ بْنِ أَبِي عَامِرِ بْنِ الْغَسِيلِ حَدَّثَهَا أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ كَانَ أُمِرَ بِالْوُضُوءِ لِكُلِّ صَلَاةٍ طَاهِرًا كَانَ أَوْ غَيْرَ طَاهِرٍ، فَلَمَّا شَقَّ ذَلِكَ عَلَى رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ أُمِرَ بِالسِّوَاكِ عِنْدَ كُلِّ صَلَاةٍ وَوُضِعَ عَنْهُ الْوُضُوءُ إِلَّا مِنْ حَدَثٍ، قَالَ: فَكَانَ عَبْدُ اللَّهِ يَرَى أَنَّ بِهِ قُوَّةً عَلَى ذَلِكَ كَانَ يَفْعَلُهُ حَتَّى مَاتَ
Ubaidullah bin Abdullah bin Umar says: I asked him, "What is your opinion about this, that Abdullah bin Umar (may Allah be pleased with him) whether he was with ablution or without ablution, he would perform ablution for every prayer; why is that?" He said: Lady Asma (may Allah be pleased with her) narrated to them that the Messenger of Allah (peace and blessings be upon him), whether he was with ablution or without ablution, was commanded to perform ablution for every prayer. But when this command became burdensome for him, he was then commanded to use the miswak for every prayer and was given concession regarding ablution, except if he was without ablution. So Abdullah (may Allah be pleased with him) thought that he had the strength to perform ablution for every prayer, so he continued to act in this way until he passed away.