Tribute, Spoils, and Rulership (Kitab Al-Kharaj, Wal-Fai' Wal-Imarah)

Dawud :: Book 19 : Hadith 3067

Narrated Sa'id ibn Zayd:

The Prophet (peace_be_upon_him) said: If anyone brings barren land into cultivation, it belongs to him, and the unjust vein has no right.