Neither shall the priests, the Levites, lack a man before me to offer burnt offerings, and to burn grain offerings, and to sacrifice continually.
Read Chapter 33
George Leo Haydock
Priests. This promise relates to the Christian priesthood; which shall also continue for ever: the functions of which (more especially the great sacrifice of the altar) are here expressed, by the name of holocausts, and other offerings of the law, which were so many figures of the Christian sacrifice. (Challoner)
The Levitical sacrifices have ceased for 17 centuries. But Christ will officiate by his ministers till the end of time. (Calmet)
St. Hypolitus and all the fathers agree that the blessed Eucharist is the complement of all the ancient sacrifices. (Worthington)