Numbers 8:25

and from the age of fifty years they shall cease waiting upon the work, and shall serve no more,

Numbers 4:23

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 Timothy 4:7

I have fought the good fight, I have finished the course, I have kept the faith:

Treasury of Scripture Knowledge

Summary

And from the age of fifty years they shall cease waiting upon the service thereof, and shall serve no more:

General references

Bible References

General references

Numbers 4:35
from thirty years old and upward even unto fifty years old, every one that entered upon the service, for work in the tent of meeting:

American Standard Version Public Domain