the Prophet addressed the people and said: "As for one who is the guardian of an orphan who has wealth, then let him do business with it and not leave it until it becomes consumed by charity."
Jami` at-Tirmidhi Book 7, Hadith 25
← Previous Hadith the Messenger of Allah instituted the Ushr of what was watered by the heavens and steams, or through natural channels, and half of the Ushr for what is watered by irrigation.

Jami` at-Tirmidhi Book 7, Hadith 24 Next Hadith → the Messenger of Allah said: "The injuries caused by the animal are without liability, and mines are without liability, and wells are without liability, and the Khumus is due on Rikaz."

Jami` at-Tirmidhi Book 7, Hadith 26