TSK
Treasury of Scripture Knowledge references in ASV.
Now Moses was keeping the flock of Jethro his father-in-law, the priest of Midian: and he led the flock to the back of the wilderness, and came to the mountain of God, unto Horeb.
Now Jethro, the priest of Midian, Moses' father-in-law, heard of all that God had done for Moses, and for Israel his people, how that Jehovah had brought Israel out of Egypt.
But the man that shall be unclean, and shall not purify himself, that soul shall be cut off from the midst of the assembly, because he hath defiled the sanctuary of Jehovah: the water for impurity hath not been sprinkled upon him; he is unclean.