Volume 3, Book 30, Number 92:
Narrated Anas:
The Prophet came to Medina and ordered a mosque to be built and said, “O Bani Najjar! Suggest to
me the price (of your land).” They said, “We do not want its price except from Allah” (i.e. they wished
for a reward from Allah for giving up their land freely). So, the Prophet ordered the graves of the pa –
gans to be dug out and the land to be levelled, and the date-palm trees to be cut down. The cut date-
palms were fixed in the direction of the Qibla of the mosque.