Numbers 18:4
So shall they be joined unto thee, and shall keep the charge of the tent of meeting, as to all the laborious work of the tent, - but a stranger, shall not come near unto you.
Numbers 1:51
And, when the habitation is to set forward, the Levites shall take it down, and when the habitation is to be pitched, the Levites, shall set it up, but the stranger that draweth near, shall be put to death.
Numbers 3:10
but unto Aaron, and unto his sons, shalt thou give oversight, so shall they keep charge of their priesthood, - and, the stranger who cometh near, shall be put to death.
1 Samuel 6:19
And, when he smote the men of Beth-shemesh, because they looked into the ark of Yahweh, yea smote of the people seventy men and fifty thousand men, the people mourned, for that Yahweh had smitten the people with a great smiting.
2 Samuel 6:6-7
And, when they came as far as the threshing-floor of Nachon, Uzzah thrust forth his hand unto the ark of God, and took hold of it, for the oxen were restive.