Sahih Muslim Book - 6, Hadith - 1827

وَحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى حَدَّثَنَا عَبْدُ الْوَهَّابِ - يَعْنِى الثَّقَفِىَّ - حَدَّثَنَا عُبَيْدُ اللَّهِ عَنْ سَعِيدِ بْنِ أَبِى سَعِيدٍ عَنْ أَبِى سَلَمَةَ عَنْ عَائِشَةَ أَنَّهَا قَالَتْ كَانَ لِرَسُولِ اللَّهِ -صلى الله عليه وسلم- حَصِيرٌ وَكَانَ يُحَجِّرُهُ مِنَ اللَّيْلِ فَيُصَلِّى فِيهِ فَجَعَلَ النَّاسُ يُصَلُّونَ بِصَلاَتِهِ وَيَبْسُطُهُ بِالنَّهَارِ فَثَابُوا ذَاتَ لَيْلَةٍ فَقَالَ « يَا أَيُّهَا النَّاسُ عَلَيْكُمْ مِنَ الأَعْمَالِ مَا تُطِيقُونَ فَإِنَّ اللَّهَ لاَ يَمَلُّ حَتَّى تَمَلُّوا وَإِنَّ أَحَبَّ الأَعْمَالِ إِلَى اللَّهِ مَا دُووِمَ عَلَيْهِ وَإِنْ قَلَّ ». وَكَانَ آلُ مُحَمَّدٍ -صلى الله عليه وسلم- إِذَا عَمِلُوا عَمَلاً أَثْبَتُوهُ.

It was narrated that 'Aishah said: "The Messenger of Allah (s.a.w) had a reed mat with which he used to section off an area at night and pray in it, and the people started to follow his prayer, and he used to spread (that mat) out during the day. One night they gathered and he said: 'O people, you should only do deeds that you are able for, for Allah does not grow weary but you do. The most beloved of deeds to Allah is that which is done persistently, even if it is little.' And if the family of Muhammad (s.a.w) started to do something, they would persist in it.''