Numbers 8:25
ESV
And from the age of fifty years they shall withdraw from the duty of the service and serve no more.
NIV
but at the age of fifty, they must retire from their regular service and work no longer.
NASB
But at the age of fifty years they shall retire from service in the work and not work anymore.
CSB
But at fifty years old he is to retire from his service in the work and no longer serve.
NLT
and they must retire at the age of fifty.
KJV
And from the age of fifty years they shall cease waiting upon the service thereof, and shall serve no more:
NKJV
and at the age of fifty years they must cease performing this work, and shall work no more.