Numbers 18:4
and they have been joined unto thee, and have kept the charge of the tent of meeting, for all the service of the tent; and a stranger doth not come near unto you;
Numbers 1:51
'And in the journeying of the tabernacle, the Levites take it down, and in the encamping of the tabernacle, the Levites raise it up; and the stranger who is coming near is put to death.'
Numbers 3:10
'And Aaron and his sons thou dost appoint, and they have kept their priesthood, and the stranger who cometh near is put to death.'
1 Samuel 6:19
And He smiteth among the men of Beth-Shemesh, for they looked into the ark of Jehovah, yea, He smiteth among the people seventy men -- fifty chief men; and the people mourn, because Jehovah smote among the people -- a great smiting.
2 Samuel 6:6-7
And they come unto the threshing-floor of Nachon, and Uzzah putteth forth his hand unto the ark of God, and layeth hold on it, for they released the oxen;