حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ حَدَّثَنَا شُعْبَةُ عَنْ جَابِرٍ عَنْ عَمَّارٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَنَّهُ قَالَ مَنْ بَنَى لِلَّهِ مَسْجِدًا وَلَوْ كَمَفْحَصِ قَطَاةٍ لِبَيْضِهَا بَنَى اللَّهُ لَهُ بَيْتًا فِي الْجَنَّةِ
مسند امام احمد بن حنبل · Hadith 2157
It was narrated from Ibn 'Abbas (RA), from the Prophet (PBUH), that he said: "Whoever builds a mosque for Allah, even if it is like a sparrow's nest for its egg, Allah will build for him a house in Paradise."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020