Arabic (Original)
وَقَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ أَحَاطَ حَائِطًا عَلَى أَرْضٍ فَهِيَ لَهُ.
English Translation
And the Messenger of Allah, peace and blessings be upon him, said: Whoever encloses land with a wall, it becomes his.