(The superiority of) whoever built a mosque
باب مَنْ بَنَى مَسْجِدًا
Sahih al-Bukhari, Book of Prayers (Salat)(view book)
Sahih al-Bukhari 450
Narrated 'Ubdaidullah Al-Khaulani:
I heard 'Uthman bin 'Affan saying, when people argued too much about his intention to reconstruct the mosque of Allah's Apostle, "You have talked too much. I heard the Prophet saying, 'Whoever built a mosque, (Bukair thought that 'Asim, another subnarrator, added, "Intending Allah's Pleasure"), Allah would build for him a similar place in Paradise.' "
حَدَّثَنَا يَحْيَى بْنُ سُلَيْمَانَ، حَدَّثَنِي ابْنُ وَهْبٍ، أَخْبَرَنِي عَمْرٌو، أَنَّ بُكَيْرًا، حَدَّثَهُ أَنَّ عَاصِمَ بْنَ عُمَرَ بْنِ قَتَادَةَ حَدَّثَهُ أَنَّهُ، سَمِعَ عُبَيْدَ اللَّهِ الْخَوْلاَنِيَّ، أَنَّهُ سَمِعَ عُثْمَانَ بْنَ عَفَّانَ، يَقُولُ عِنْدَ قَوْلِ النَّاسِ فِيهِ حِينَ بَنَى مَسْجِدَ الرَّسُولِ ﷺ إِنَّكُمْ أَكْثَرْتُمْ، وَإِنِّي سَمِعْتُ النَّبِيَّ ﷺ يَقُولُ " مَنْ بَنَى مَسْجِدًا ـ قَالَ بُكَيْرٌ حَسِبْتُ أَنَّهُ قَالَ ـ يَبْتَغِي بِهِ وَجْهَ اللَّهِ، بَنَى اللَّهُ لَهُ مِثْلَهُ فِي الْجَنَّةِ ".