Numbers 19:2

This is the ordinance of the Law, the most important statute of instruction dealing with Levitical purification, which the Lord hath commanded, saying, Speak unto the children of Israel that they bring thee a red heifer without spot, of a solid color, wherein is no blemish, no disease or defect of any kind, and upon which never came yoke, all these points being traits of the freshest life, of the fullness of strength;