19
But thus do unto them, that they may live , and not die , when they approach unto the most holy things: Aaron and his sons shall go in , and appoint them every one to his service and to his burden:
20
But they shall not go in to see when the holy things are covered , lest they die .
21
And the LORD spake unto Moses, saying ,
22
Take also the sum of the sons of Gershon, throughout the houses of their fathers, by their families;
23
From thirty years old and upward until fifty years old shalt thou number them; all that enter in to perform the service, to do the work in the tabernacle of the congregation.