Numbers 4:3
from thirty years old and upward even until fifty years old, all who enter into the service, to do the work in the Tent of Meeting.
Numbers 4:23
you shall count them from thirty years old and upward until fifty years old; all who enter in to wait on the service, to do the work in the Tent of Meeting.
Genesis 41:46
Joseph was thirty years old when he stood before Pharaoh king of Egypt. Joseph went out from the presence of Pharaoh, and went throughout all the land of Egypt.
Numbers 3:7-8
They shall keep his requirements, and the requirements of the whole congregation before the Tent of Meeting, to do the service of the tabernacle.
Numbers 4:30
you shall count them from thirty years old and upward even to fifty years old, everyone who enters on the service, to do the work of the Tent of Meeting.
Numbers 4:35
from thirty years old and upward even to fifty years old, everyone who entered into the service, for work in the Tent of Meeting.
Numbers 8:24-26
"This is that which belongs to the Levites: from twenty-five years old and upward they shall go in to wait on the service in the work of the Tent of Meeting;
Numbers 16:9
Is it a small thing to you, that the God of Israel has separated you from the congregation of Israel, to bring you near to himself, to do the service of the tabernacle of the LORD, and to stand before the congregation to minister to them;
2 Kings 11:4-12
In the seventh year Jehoiada sent and fetched the captains over hundreds of the Carites and of the guard, and brought them to him into the house of the LORD; and he made a covenant with them, and took an oath of them in the house of the LORD, and showed them the king's son.
1 Chronicles 6:48
Their brothers the Levites were appointed for all the service of the tabernacle of the house of God.
1 Chronicles 23:3-5
The Levites were numbered from thirty years old and upward: and their number by their polls, man by man, was thirty-eight thousand.
1 Chronicles 23:24-32
These were the sons of Levi after their fathers' houses, even the heads of ancestral houses of those who were counted individually, in the number of names by their polls, who did the work for the service of the house of the LORD, from twenty years old and upward.
1 Chronicles 28:12-13
and the pattern of all that he had by the Spirit, for the courts of the house of the LORD, and for all the surrounding rooms, for the treasuries of God's house, and for the treasuries of the dedicated things;
2 Chronicles 23:1-11
In the seventh year Jehoiada strengthened himself, and took the captains of hundreds, Azariah the son of Jeroham, and Ishmael the son of Jehohanan, and Azariah the son of Obed, and Maaseiah the son of Adaiah, and Elishaphat the son of Zichri, into covenant with him.
Ezra 3:8
Now in the second year of their coming to God's house at Jerusalem, in the second month, Zerubbabel the son of Shealtiel, and Jeshua the son of Jozadak, and the rest of their brothers the priests and the Levites, and all those who had come out of the captivity to Jerusalem, began the work and appointed the Levites, from twenty years old and upward, to have the oversight of the work of the LORD's house.
Luke 3:23
Jesus himself, when he began to teach, was about thirty years old, being the son (as was supposed) of Joseph, the son of Eli,
2 Corinthians 10:3-4
For though we walk in the flesh, we do not wage war according to the flesh;
Ephesians 6:10-18
Finally, be strong in the Lord, and in the strength of his might.
1 Timothy 1:18
This instruction I commit to you, my child Timothy, according to the prophecies which led the way to you, that by them you may wage the good warfare;
1 Timothy 3:1
This is a faithful saying: if a man seeks the office of an overseer, he desires a good work.
1 Timothy 3:6
not a new convert, lest being puffed up he fall into the same condemnation as the devil.