Numbers 4:30
"From thirty years old and upward even unto fifty years old shalt thou number them, every one that entereth into the service, to do the work of the tabernacle of the congregation."
Cross References (ranked by relevance)
Numbers 4:23
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.
Numbers 4:3
From thirty years old and upward even until fifty years old, all that enter into the host, to do the work in the tabernacle of the congregation.
2 Timothy 2:4
No man that warreth entangleth himself with the affairs of this life; that he may please him who hath chosen him to be a soldier.