The Prophet ﷺ said (at the time of building the Mosque), "O Ban, An-Najjar! Suggest to me a price for your garden." They replied, "We do not ask its price except from Allah."  

قَالَ النَّبِيُّ ﷺ يَا بَنِي النَّجَّارِ ثَامِنُونِي بِحَائِطِكُمْ قَالُوا لاَ نَطْلُبُ ثَمَنَهُ إِلاَّ إِلَى اللَّهِ