Allah's Apostle got up on the day of the Conquest of Mecca and said, "Allah has made Mecca a sanctuary since the day He created the Heavens and the Earth, and it will remain a sanctuary by virtue of the sanctity Allah has bestowed on it till the Day of Resurrection.
Allah u sheegay Nabigiisa "Eebe wuxuu kaa ilaaliyaa dadka" (5:67).