(34) باب إِذَا قَالَ الْوَاقِفُ لاَ نَطْلُبُ ثَمَنَهُ إِلاَّ إِلَى اللَّهِ فَهْوَ جَائِزٌ
Narrated Anas:
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."
Reference: Sahih al-Bukhari 2779
In-book reference: Book 55, Hadith 42
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 4, Book 51, Hadith 39