Bukhari :: Book 1 :: Volume 8 :: Hadith 441
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.' "
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