Imam Maalik مالك بن أنس بن مالك بن أبي عامر · The Book of Endowments

"I was present at the house when 'Uthman looked out over them and said: 'I adjure you by Allah and by Islam, are you aware that when the Messenger of Allah came to Al-Madinah, and it had no water that was considered sweet (suitable for drinking) except the well of Rumah, he said: "Who will buy the well of Rumah and dip his bucket in it alongside the buckets of the Muslims, in return for a better one in Paradise?"…