and from the age of fifty years they shall cease waiting upon the work, and shall serve no more,
Referenced Verses
Num 4:23 : 23 from thirty years old and upward until fifty years old shalt thou number them; all that enter in to wait upon the service, to do the work in the tent of meeting.
2 Tim 4:7 : 7 I have fought the good fight, I have finished the course, I have kept the faith: