Deuteronomy 21:5

⁵ and the priests the sons of Levi shall approach; for them Jehovah thy God has chosen to minister to Him, and to bless in the name of Jehovah; and by their mouth shall every controversy and every plague be tried;

Thanks to the Kempton Project for the permission to use this New Church translation of the Word.

Heifer

'Heifer,' or 'cow' in a negative sense denotes falsities.

'The heifer whereby labor has not been done,' as mentioned in Deuteronomy 21:3, signifies the innocence of the external self in ignorance.

'The red heifer,' as mentioned in Numbers 19, signifies unclean truth of the natural principle which is cleaned by burnings.

In Numbers 19:2, this signifies the good of the natural man. (Apocalypse Explained 364[6])