Bible Verses About Priests: While unclean could not perform any service

And Jehovah speaketh unto Moses, saying,

`Speak unto Aaron, and unto his sons, and they are separated from the holy things of the sons of Israel, and they pollute not My holy name in what they are hallowing to Me; I am Jehovah.

and the priest hath taken cedar wood, and hyssop, and scarlet, and hath cast unto the midst of the burning of the cow;

and the priest hath washed his garments, and hath bathed his flesh with water, and afterwards doth come in unto the camp, and the priest is unclean till the evening;