And Aaron and his sons you shall bring unto the door of the tabernacle of meeting, and shall wash them with water.
All Commentaries on Exodus 29:4 Go To Exodus 29
George Leo Haydock
AD 1849
Washed. The pagans never approached their mysteries, without divers purifications and washing. (St. Clement of Alexandria, strom. 5.) Exterior cleanliness was designed to signify the purity of the heart, with which we must appear before God. (Calmet)
It is for this reason we take holy-water, when we go into our chapels, and we wash our fingers before and during Mass. (Haydock)