Numbers 8:25
and {those fifty years old} will return from the service of the work and will serve no longer.
Numbers 4:23
from {those twenty years old} and above until {fifty years old}; you will muster them, all who come to help to do the work of the tent of assembly.
2 Timothy 4:7
I have fought the good fight, I have completed the race, 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 {those thirty years old} and above until {fifty years old}; everyone who comes to the service to work in the tent of assembly,